NGN HNG 300 CU HI RUNG CHUNG VNG

1.Nh ton hc Dirichlet (i rich - l), tc gi ca nguyn l ni ting chung v th l ngi nc no? 2.S no ln nht trong cc s sau:A)

433

B) 821

C) 1616

D) 3213

3.Gii thng do Hi Ton Hc Vit Nam t ra nhm trao tng cho cc gio vin v hc sinh khc phc kh khn dy ton v hc ton gii hng nm mang tn gi? 4. Ai l tc gi cun sch ni ting Ton hc v nhng suy lun c l 5. Hnh lng tr lc gic u c bao nhiu cnh? 6. a gic (li) no c s ng cho bng s cnh? 7. Ti suy ngh tc l ti tn ti . Cu ni ni ting trn l ca nh ton hc no? 8. Cc con s thng tr th gii l cu ni ca ai? 9. Tng cc c s ca 6 bng bao nhiu? 10. Nu ng knh ca ng trn tng n v th chu vi ng trn tng bao nhiu n v? 11. Khng nh no sai? A) Mi tam gic u u l tam gic cn. B) Mi tam gic u u l a gic u. C) Mi tam gic u u bng nhau. D) Mi tam gic u u ng dng vi nhau. 12. Ai l tc gi quyn sch ton c i thnh ton php? 13. Hnh vung c bao nhiu trc i xng? 14. Ai l ngi u tin s dng k hiu ? 15. Khi cnh y ca mt tam gic tng ln 10% v ng cao tng ng vi cnh ny gim 10% th din tch tam gic thay i nh th no? 16. Nh n ton hc u tin ca Vit Nam l ai?

17. C bao nhiu s c 3 ch s m ch s hng trm bng ch s hng n v. 18.Ai l ngi o chiu cao ca Kim t thp bng cch o ci bng ca n? 19.y l nh l ton hc thch thc cc b c v i ca cc nh ton hc lng danh trong gn 4 th k v cui cng c chng minh hon thin vo nm 1995 bi Andrew Wiles. 20. Mt ngi ng trn mi thuyn, cch mt nc 1m; mt gi sau, nc dng ln cao thm 10cm na. Hi, lc ny, ngi ng cch mt nc bao nhiu cm? 21. L phn ng ht nhn u tin ca nc ta nm u? 22. Hin tng khi mt tri, qu t v mt trng theo th t cng nm trn ng thng gi l g? 23. Ai l ngi u tin pht minh ra hin tng cm ng in t? 24. Mt ngi ang ng trn bn cn, nu ngi ngi xung th ch s ca cn tng ln hay h xung? 25. Hin tng gy ra bi s tn sc nh sng mt tri qua cc git nc ma c tn l g? 26. H Mt tri ca chng ta nm trong thin h no? 27 Hnh tinh no trong h Mt Tri c cu to ging Tri t nht? 28. n neon ( n hunh quang ) l pht minh ca ai? 29. Hy cho bit tn ca qu trnh cht th rn chuyn sang th kh v qu trnh cht th kh chuyn sang th lng? 30. Vng khng gian c lc hp dn ln n mc m mi dng vt cht ri vo n u ko thot ra c, k c nh sng . c gi l g ? 31. Hin tng khi mt tri, mt trng v qu t theo th t cng nm trn ng thng gi l g? 32. V sao tri t c th quay quanh mt tri. 33. Ly qut dim t bu thy ngn nhit k , ct thy ngn trong nhit k bt u dng ln hay h xung ? 34. V sao trong qu trnh truyn ti in nng i xa phi tng in p ni pht in. 35. Ai l ngi u tin pht minh bong n dy tc? 36. Sau cn ma khng kh trong lnh hn l do kh g?

37.Kh c kh nng gy ci l kh no? 38.Qu kinh kh cu c th bay c l nh bm kh g vo? 39.ng sau tm gng soi qut cht g? 40.Kim loi no nh nht: 41.Axit ascorbic cn c gi l? 42. Kim loi no c gi l " kim loi hng khng v tr"/ 43. Ngy xa kim loi no l kim loi qu? 44.Bng kh thc cht l cht g? 45.Hoa vn trn cc dng c bng thy tinh c khc nh th no? 46.Kim loi en l kim loi no? 47.Vng ty l hp kim ca vng v kim loi no? 48.Vo ma h nc trn mt h xut hin nhng bt nc nh l do kh g? 49.Cch no lm sch vt du, mc dnh trn o? 50.Trong bnh m c nhiu l nh l do khi nng c kh g bay ra? 51. bo qun hp ngi ta thng bm kh g vo? 52. tng trng chiu cao ngi ta thng b sung cc thc n c cha nguyn t ha hc no? 53. Trong thnh phn kem nh rng c nguyn t no m c tc dng dit khun v tr su bnh: 54. Which sentence has the same meaning with this one? Nice to meet you 55............... is a day when people give presents to the ones they love. 56.What is this in English? - It is a small, hard, shiny white, or bluish-grey ball. - It forms inside the shells of certain oysters. 57.Pour a quarter of the water out of the full bottle.The bottle is................. full 58.An electric fan normally costs fifty dolar, in the sale it is reduced in price by ten percent. What does it cost now? 59.A new television costs four hundred dollars and there is a two percent delivery charge.What is the full cost? 60.How do you read this number 2/15? 61.Which number is incorrect? A. nineth B. nine C. nineteenth D. ninetieth 62.Of the following, which country do not use chopsticks? A. Korea B. China C. India D. Japan 63.How many letters are there in the English Alphabet?

64.They travel all over the world but end up in the corner, what are they? 65.What does he do? He often goes to school to teach children? 66.A book with spaces for each day of the year in which you can write down things you have done. What do you call this? 67.Which country was made the statue of Liberty? 68.What is this word in English? - Its adjective appears in the name of an album " ____ star" of Mei C, a member of girlband "Spice Girls". - The direction to one's left when one is facing the rising sun. - There are two main parts in our country: the ____ and the South. 69.Can you name four days that start with the letter "T"? 70.I look like a cigarette. My body is round, short and hard. The more I am used the shorter I become. I usually have four color: white, red, yellow and blue. But white color is popular. I am made of soft and powdery limestone. I have much to do with teachers. You can find me in the classroom. I am also called a blackboard crayon. What am I? 71.What belongs to you but other people use it more than you do? 72.Yn vui khng c chin tranh gi l g? 73.Thnh ng c cu: Hao du tn g? 74.T bo Ngi cng kh do Nguyn i Quc lm ch bt ra i Quc gia no? 75.Tn gi u tin ca nc ta l g? 76.Nh vn Slkhp c mt tc phm ot gii nobel vn hc 1965 gn lin vi con sng no? 77.Trn quc k nc no c in hnh bn nc ? 78.Niclai Cpcnch a ra hc thuyt no? 80.Ngun gc l lun trc tip ca trit hc Mc l g? 81.Pht minh no trong khoa hc t nhin na u th k XIX vch ra ngun gc t nhin ca con ngi, chng li quan im tn gio? 82.Ngi duy nht c Thy Kiu tha th trong l bo n bo on l ai? 83.Bc H ku gi ton quc khng chin vo nm no? 84.Trong chin dch in Bin Ph ngi anh hng no ly thn mnh cu pho? 85.Trong chin dch in Bin ph v anh hng no ly thn mnh lp l chu mai?

86.o ny l tn ghp ca cm t: Tri chu v Linh Tun to thnh? 87.Nc ta c bao nhiu bn Tuyn ngn c lp? K tn? 88.Quc hi kha my quy nh i tn nc ta thnh nc cng ha x hi ch ngha Vit Nam? 89.Ai l tc gi ca cu ni: Ch c Ch ngha x hi, ch ngha cng sn mi gii phng cc dn tc b p bc v nhng ngi lao ng trn th gii khi ch n l 90. Seagames sp ti l sea games ln th my? din ra u? 91. Vn ng vin n no nc ta c xem l n hong tc . 92. Trong b mn nhy xa gm c bao nhiu giai on? 93. Bn knh vng trn trung tm sn bng (11 ngi) chnh thc l bao nhiu?. 94. Sea Games ng Nam my nm c t chc mt ln. 95. Cu th nam no ca Vit Nam sau y t qu bng vng nm 2010. 96. Cu th no sau y y t qu bng vng Th gii nm 2010. 97. Th Vn Hi ma h (Olympic) nm 2012 c t chc quc gia no? 98. Hi Khe Cm ba trng ( Dn Tc Ni tr, C Thy Li Min Trung, C in Lc Min Trung) my nm t chc mt ln. 99. Cu lc b no t gii v ch V.league 2011. 100. y l mn v c bt ngun t nht bn v ch yu dng tay khi thi u i khng. 101. Seagames 26 sp ti c bao mn c t chc thi u. 102. i bng n no t cp v ch th gii nm 2011. 103. Vn ng vin Vit Nam no t huy chng vng duy nht ASIAD 16. 104. Trong Excel, chuyn ch thng thnh ch IN, ta dng lnh, hm hay t hp phm no? 105. Thut ng Tin hc CPU c vit tt t cm t no? 106. Cc phm trn bn phm thng c chia thnh my hng ? 107. Trong MS Word, khi s dng cng c Elp v hnh trn th nhn gi ng thi phm no? 108. Khi s dng my tnh, ng mt ca s hin hnh, s dng t hp phm no?

109. Thut ng www trong mt a ch web c vit tt t cm t no? 110. Mt th mc trong my tnh c th cha c g? 111. Trong qu trnh son tho vn bn trn my tnh, khi cn vit Hoa 1 k t, ta s dng phm g? 112. Cc phm s bn phi bn phm khng g c s l do u? 113. chuyn i qua li gia cc ca s ang m trong my tnh, ta s dng t hp phm no? 114. Trong my tnh, tm tp tin c phn m rng l doc, tn tp tin c 3 k t, k t gia l a, ta g vo tm kim nh th no? 115. Phn mm no khng th thiu i vi mt my tnh? 116. Trong qu trnh gi th in t (Email), pht biu no sau y sai: a. Ngi gi v nhn bt buc phi c a ch email b. Ngi gi khng bt buc c a ch email, ngi nhn bt buc phi c a ch email c. Email khng bt buc phi c ni dung d. Email khng bt buc phi c ch 117. Virus tin hc khng ly lan qua ng no? 118. Gi mu dch cn c tn gi khc l g? 119. Quan m Th Knh l v din ni ting ca th loi no 120. Qu hng ca hng in thoi Nokia 121. Nhm cht hu c phc tp nht, chim lng nhiu nht trong cht nguyn sinh, c vai tr quan trng nht i vi cu trc v chc nng ca t bo. 122. Nguyn nhn chnh gy ra ng c kh than 123. Kh c mi trng thi 124. "Nng rc tri t v bin ngc" l hnh nh m nh th T Hu vit khi t nc no? 125. i hi ng VI din ra vo nm no 126. Tc gi i Vit s k ton th 127. C bao nhiu s c 3 ch s m ch s hng trm bng ch s hng n v? 128. Hin tng vt l no chng t nh sng c tnh sng 129. Knh Xuye ni lin a Trung Hi v bin no? 130. eV l n v dng o 131. Vit Nam chnh thc c kt np l thnh vin ca WTO vo ngy thng nm no? 132. Tn hnh tinh to nht h mt tri ?

133. Tnh/ Thnh ph c cng bin ln nht Vit Nam 134. Con sng c coi l bin gii t nhin ca Lo & Thi Lan 135. Nu tn hin tng nh sng b thay i hng khi i qua mt phn cch ca hai mi trng? 136. 137. 138. 139. 140. 141. 142. 143. 144. 145. 146. 147. 148. 149. 150. 151. Hin ti th gii ang dng loi nng lng chnh no? o cn c thuc tnh no? Gii thng cao nht dnh cho cc b phim tham d lin hoan phim Vit Nam: n T rng l nhc c ca dn tc no? Gng nhn sau ca t xe my thng l ? Knh Panama ni lin Thi Bnh Dng v...? T chc hp tc kinh t chu Thi Bnh Dng gm bao nhiu thnh vin? Nc nh ng Dng: Tnh no sng Hng bt u chy vo VN M d b cm vn chng Vit Nam vo nm no? B Ci i vng l ai? Trinitro Toluen thng dng lm g ? L c ca Lin Hip Quc (UN) c hnh l cy g Qu bng vng Vit Nam nm 2008 thuc v cu th no ? Lnh o khi ngha Yn Bi Khi i xe th phn no ca xe l xc nht: 152. Dy ni l ranh gii t nhin gia chu v chu u 153. Con sng c tim nng thy in ln nht VN 154. B phim no ca Vit Nam dnh gii do khn gi bnh chn ti lin hoan phim PUSAN (Hn Quc)? 155. Tng cc c s ca 6 156. Gii Nobel ha bnh 2009 c trao cho ai ? 157. Gii thng dnh cho N doanh nhn Vit Nam tiu biu ? 158. H Xun Hng vit ng xanh nh l, nh vi 159. Mt xe ti trong 3/4 quang ng chy vi vn tc v v phn cn li chy vi vn tc v/2. Hi vn tc ttrung bnh ca xe l bao nhiu? 160. Danh hiu cao qu nht phong cho nh gio? 161. Gia tc ca mt vt chuyn ng thng u l bao nhiu? 162. Hn o ln nht th gii 163. Huyn o Ct B &Bch Long V thuc tnh(TP) no 164. Nhng t bo mu c kh nng vn ng, chng gip c th chng li tc tc nhn gy nhim khun v nhim c bng qa trnh thc bo hoc bng qa trnh min dch. 165. Bin c nng mui ln nht th gii 166. Ch Thi, gi ... 167. S t nhin no b nht chia 2 d 1, chia 3 d 2, chia 4 d 3, chia 5 d 4, chia 6 d 5

168. Hnh no cn thiu

169. Qun o ln nht th gii 170. T chc lao ng quc t vit tt l g? 171. Tng pht b quan m nghn mt nghn tay c u? 172. Ngi i xy h k g l tn 1 bi ht, H K G l a danh ca tnh no nc ta? 173. Hollywood kinh in nh th gii nm bang no nc M? 174. M Tm l mt bi th ca tc gi no? 175. Th vn hi 2012 s c t chc quc gia no? 176. Cnh ng Chum l a danh ni ting ca quc gia no? 177. Ai c trao tng danh hiuCm t qun s 1 ca Th ? 178. Cho ti 1 im ta, ti s nhc bng c tri t ny cu ni trn da vo hin tng vt l g? 179. Thnh ph c mnh danh l th ca Chu u l thnh ph no? 180. Tc phm ng gi v bin c c Ernest Hemingway sng tc khi ang u? 181. Ngi Vit Nam u tin bay vo v tr : 182. L hi t nc ca ngi Lo c t chc vo dp no? 183. Khu du lch Vinpearland nm trn hn o no? 184. Biu tng cho du lch Vnh H Long? 185. Ngi dn Nam B dng n nui tm, va tit kim va hn ch tc hi ca n. L ng vt ngoi lai. N ph hoi ma mng v sinh sn nhanh, sau mt ma l c th t nhiu tn trn 1 hecta. y l ng vt no? 186. Quc gia no c s ni la hot ng ln nht? 187. Quc gia no m t nht th gii? 188. Ni su nht ca tri t nm i dng no?................................... 189. Thn ng m nhc Mozart l ngi ca quc gia.. 190. Lng tranh ng H ni ting nay thuc tnh, thnh no nc ta? 191. Bn cho bit tc phm no c vit v ng thnh sch nng nht Vit Nam? 192. ASEM l tn vit tt ca: 193. Nm 2010 Quc gia no m nhim cng v Ch tch hip hi cc quc gia ng Nam ? 194. Gii Nobel khng trao gii cho mn no? 195. Thi nh Trn, nc ta c mt danh s c xng tng dnh hiu gi l Lng quc Trng nguyn. ng l ai?

196. Dy ni di nht th gii l 197. Ngi hin thn cho sc mnh v v p ca ngi Hy Lp trong trng ca Illiat v Odyssey. 198. Trong cc nc c chung ng bin gii vi Vit Nam th nc no c ng bin gii chung vi Vit Nam di nht? 199. Thnh Ph Wellington l th ca nc no? 200. Cu th bng no c mnh danh l ngi ngoi hnh tinh. 201. Tc gi ca bi ht Ma h xanh. 202. Quc gia duy nht cho n nay tham d c 18 vng chung kt Worldcup ? 203. Cu M Thun bc qua dng sng no ? 204. Quc gia no c tr lng g ng u th gii ? 205. Trc Washington,thnh ph no tng l th ca M? 206. Quc gia no c ng b bin di nht th gii (ko k o)? 207. Tnh nhanh kt qu sau : 1 + 3 + 5 + ... + 19 = ? 208. Ngy thy thuc Vit Nam l ngy no? 209. Vit Nam t ho l nc c tuyn cp treo vt bin di nht th gii nm thnh ph Nha Trang . Bn hy cho bit tn ca tuyn cp treo ny l g ? Mng ni b LAN l t vit tt ca cm t ting Anh no ? 211. "Thnh ph hoa" l bit danh ca thnh ph no chu u ? 212. Ai c coi l nh bo Vit Nam u tin ? 213. Thnh ph no t chc Asiad nm 2010 ? 214. Ngi dn nc no khi xng chin dch Gi tri t ? 215. "Cha mn Hnh Hc" l ai ? 216. " ng i khng kh v ngn sng cch ni m kh bi lng ngi ngi ni e sng." l cu ni ni ting ca ai?210.

217. Ca khc Ch ti do ca s M Linh th hin l bi ht chnh trong b phim no ? 218. Nc no to ra nhiu kh thi carbon ln nht th gii nm 2008 ? 219. C mt nh thin vn v i m khi ng mt i, trn bia m ng c khc dng ch "Ngi gi li mt tri v y tri t chuyn dch". ng l ai ? 220. i vin u tin ca nc ta? 221. t nc c hnh m dng trn quc k ? 222. t nc no c t l dn s theo o Pht cao nht th gii ? 223. Bom Ba Cng l pht minh ca nc no ? 224. WHO l t vit tt ca t chc no? 225. V tuyn 0 l g? 226. Nc no trn th gii c 3 th ? 227. in t cn thiu vo ch trng: n c i trc, . theo sau 228. V tuyn 17 chy ngang qua a phn tnh no ca nc ta? 229. t rt mun cui cng vo thng ba min Bc gi l g?

230. Ng ba ng Dng l 1 a danh thuc tnh no? 231. Bng qua Trng Sn ct trng bin xanh, bng qua cn in du chn hng anh, v Ty Nguyn xanh lng vui nh m hi. Tui 20 p sao c m xanh. Hy in tip nhng a danh c trong bi ht trn. 232. Samba, mt trong nhng v iu ni ting xut pht t u? 233. T khi loi ngi ra i cho n nay lng thc lun l mt trong nhng vn c quan tm hng u ca nhn loi. gii quyt vn ny, cc nh khoa hc quyt tm thc hin mt cuc cch mng trong lnh vc trng trt. Cuc cch mng y mang tn g ? 234. Vn ng vin dn u cuc bu chn vn ng vin tiu biu ca Vit Nam nm 2007 l vn ng vin no? 235. Tn tui ca nhc s thin ti S-panh gn lin vi loi nhc c no? 236. Tch 10 s t nhin u tin bng bao nhiu? 237. ng vt no ln nht tri t hin nay? 238. Ni ra i ca Th Vn Hi Olimpic? 239. Cy g cho chng ta s c la, cy ny c trng nhiu nht u ? 240. C bao nhiu s chn c hai ch s khc nhau? 241. B phn no trn c th thn ln c kh nng mc li? 242. Hnh tinh no trong h Mt Tri c cu to ging Tri t nht? 243. Ranh gii t nhin gia chu u v chu l g? 244. Ai l ngi pht minh ra my hi nc? 245. Eo bin gia chu v chu M c tn l g? 246. Thn mu ca Bc H l g? 247. Thnh ph no l trung tm ca cch mng thng 10 Nga? 248. Hin tng g? Hin tng khng th thiu gi Tri t m, nu khng c hin tng ny Tri t s tr ln qu lnh v khng sinh vt no c kh nng sng c. 249. Hoa no c mnh danh l quc sc thin hng? 250. Ngc Linh (2598m) l nh ni cao nht Ty Nguyn, vy nh ni ny thuc tnh no? 251. Con sng no di nht Bc M? 252. Ngi sao sng nht trn bu tri m? 253. Loi hoa no l ti chnh trong cc bc tranh ca Van Goh? 254. Loi chim no c kh nng bay li li pha sau? 255. Hi ngh thng nh Apec c bao nhiu nc Asean tham d? 256. Ch s no c trng cho tnh chng kch n ca nhin liu ng c, ch s ny cng cao, kh nng chng n cng tt ? 257. "Tt nc u nh" thuc loi bi ca giao duyn d y khng c hnh thc i p nam n m ch c li ca? 258. Hin vt biu tng cho vn ha ng Sn: 259. Cng vi tiu ch "y t" v "thu nhp bnh qun u ngi", tiu ch ny hnh thnh nn ch s pht trin con ngi HDI ca Lin hp quc 260. T 1 n 150 c bao nhiu ch s 0 261. Thnh ph ny c gii phng ngy 29/03/1975

262. C 4 v chai nc ngt th i c 01 chai mi. Hi vi 16 v chai nc ngt c th i c bao nhiu chai? 263. Hnh no hp vi quy lut:

264. Bao gi ht c nc Nam th ht ngi Nam nh Ty y l cu ni ca ai: 265. Nc no ginh chin thng trong cuc thi Mrs World 2009 266. Cu th Argentina u tin ot danh hiu Qu bng vng chu u 267. Nhn vt c Bc H nhc n trong Vi hnh 268. M chnh (bt ngt) l mui Natri ca axit g 269. Hy cho thi mt im ta, ti s nhc bng qu t ny ln l cu ni ca ai 270. Thy triu hnh thnh do lc hp dn gia: 271. Ngi ta mnh danh ngun nng lng no l Than xanh? 272. Thy in Thc B c xy trn con sng no 273. Khu kinh t Dung Qut nm tnh no 274. Quc gia no tham d nhiu k EURO nht ? 275. Phn chuyn ng trong ng c gi l g? 276. Vn Quc gia u tin ca Vit Nam 277. Yu t chnh to nn sng bin l g? 278. Who is the King of Pop 279. V vua lp Quc T gim nm 1076 280. Tn thng gi ca KMnO4 281. H nc ngt ln nht ng Nam 282. Trong bi th m nay Bc khng ng, Bc thng on ... m nay ng ngoi rng 283. T no cn thiu trong bi th "Ngi i tm hnh ca nc" : Gic nc ui xong ri. Tri xanh thnh ting ht .......... theo trng vo phng ng cng nhn Nhng k qu ma thnh tri thc Tm ti cn lao nay ho nhng anh hung 284. Trong bi th Sng lp, T Xng nghe thy ting g m tng ting gi : 285. S no cn thiu

286. in 2 s tip theo vo dy sau: 2, 3, 5, 7, ?, ? 287. Hin tng vt l no chng t nh sng c tnh ht 288. Vit Nam l thnh vin th bao nhiu ca lin hp quc? 289. Quc gia no c mnh danh l t nc triu voi? 290. Nn kinh t ln th hai th gii hin nay l nc no? 291. T chc thng mi th gii WTO c thnh lp nm no? 292. ng m mt cht im vch ra trong qu trnh chuyn ng gi l g? 293. Chm tia sng song song c coi l ng quy u? 294. Hnh tinh duy nht trong h mt tri khng ly tn cc v thn l hnh tinh no? 295. Biu tng linh vt ca SeaGames 22 ln u tin c t chc Vit Nam l g? 296. Nhng vt quay quanh tri t gi l g? 297. Gi Lo cn c tn gi l g? 298. Cht no trn tri t tn ti ba th rn, lng, kh. 299. H thp phn l pht minh ca nc no? 300. Vng nng chy nhit bao nhiu?