17th AMC (C) 2 (D) 2 1 2

Transcription

1 17th AC Cay ho cla i making a golf trohy. H ha to aint 300 iml on a golf ball. If it tak him 2 con to aint on iml, how many minut will h n to o hi job? (A) 4 (B) 6 (C) 8 (D) 10 (E) I m thinking of two whol numbr. Thir rouct i 24 an thir um i 11. What i th largr numbr? (A) 3 (B) 4 (C) 6 (D) 8 (E) Granny Smith ha $63. Elbrta ha $2 mor than Anjou an Anjou ha on-thir a much a Granny Smith. How many ollar o Elbrta hav? (A) 17 (B) 18 (C) 19 (D) 21 (E) Th igit 1, 2, 3, 4 an 9 ar ach u onc to form th mallt oibl vn fiv-igit numbr. Th igit in th tn lac i (A) 1 (B) 2 (C) 3 (D) 4 (E) 9 5. On a ark an tormy night Snooy unly aw a flah of lightning. Tn con latr h har th oun of thunr. Th of oun i 1088 ft r con an on mil i 5280 ft. Etimat, to th nart halfmil, how far Snooy wa from th flah of lightning. (A) 1 (B) (C) 2 (D) (E) 3 6. Six tr ar qually ac along on i of a traight roa. Th itanc from th firt tr to th fourth i 60 ft. What i th itanc in ft btwn th firt an lat tr? (A) 90 (B) 100 (C) 105 (D) 120 (E) 140

2 17th AC KITES O PARADE Problm 7, 8 an 9 ar about th kit. To romot hr chool annual Kit Olymic, Gnviv mak a mall kit an a larg kit for a bulltin boar ilay. Th kit look lik th on in th iagram. For hr mall kit Gnviv raw th kit on a on-inch gri. For th larg kit h tril both th hight an with of th ntir gri. 7. What i th numbr of quar inch in th ara of th mall kit? (A) 21 (B) 22 (C) 23 (D) 24 (E) Gnviv ut bracing on hr larg kit in th form of a cro conncting ooit cornr of th kit. How many inch of bracing matrial o h n? (A) 30 (B) 32 (C) 35 (D) 38 (E) Th larg kit i covr with gol foil. Th foil i cut from a rctangular ic that jut covr th ntir gri. How many quar inch of wat matrial ar cut off from th four cornr? (A) 63 (B) 72 (C) 180 (D) 189 (E) A collctor offr to buy tat quartr for 2000% of thir fac valu. At that rat how much will Bryn gt for hi four tat quartr? (A) $20 (B) $50 (C) $200 (D) $500 (E) $ Point A, B, C an D hav th coorinat: A(3, 2), B(3, 2), C( 3, 2) an D( 3, 0). Th ara of quarilatral ABCD i (A) 12 (B) 15 (C) 18 (D) 21 (E) 24

3 17th AC If a b = a + b, thn (6 4) 3 = a b (A) 4 (B) 13 (C) 15 (D) 30 (E) Of th 36 tunt in Richll cla, 12 rfr chocolat i, 8 rfr al, an 6 rfr blubrry. Half of th rmaining tunt rfr chrry i an half rfr lmon. For Richll i grah howing thi ata, how many gr houl h u for chrry i? (A) 10 (B) 20 (C) 30 (D) 50 (E) Tylr ha ntr a bufft lin in which h choo on kin of mat, two iffrnt vgtabl an on rt. If th orr of foo itm i not imortant, how many iffrnt mal might h choo? at: bf, chickn, ork Vgtabl: bak ban, corn, otato, tomato Drt: browni, chocolat cak, chocolat uing, ic cram (A) 4 (B) 24 (C) 72 (D) 80 (E) Homr bgan ling a il of 44 otato at th rat of 3 otato r minut. Four minut latr Chritn join him an l at th rat of 5 otato r minut. Whn thy finih, how many otato ha Chritn l? (A) 20 (B) 24 (C) 32 (D) 33 (E) A quar ic of ar, 4 inch on a i, i fol in half vrtically. Both layr ar thn cut in half aralll to th fol. Thr nw rctangl ar form, a larg on an two mall on. What i th ratio of th rimtr of on of th mall rctangl to th rimtr of th larg rctangl? (A) 1 3 (B) 1 2 (C) 3 4 (D) 4 5 (E) 5 6

4 17th AC For th gam how Who Want To B A illionair?, th ollar valu of ach qution ar hown in th following tabl (whr K = 1000). Qution Valu K 2K 4K 8K 16K 32K 64K 125K 250K 500K 1000K Btwn which two qution i th rcnt incra of th valu th mallt? (A) From 1 to 2 (B) From 2 to 3 (C) From 3 to 4 (D) From 11 to 12 (E) From 14 to Two ic ar thrown. What i th robability that th rouct of th two numbr i a multil of 5? (A) 1 36 (B) 1 18 (C) 1 6 (D) (E) Car travl at a contant for a givn tim. Thi i hown by th ah lin. Car travl at twic th for th am itanc. If Car an tim ar hown a oli lin, which grah illutrat thi? (A) (B) (C) tim tim tim (D) (E) tim tim

5 17th AC Kalana how hr tt cor to Quay, arty an Shana, but th othr k thir hin. Quay think, At lat two of u hav th am cor. arty think, I in t gt th lowt cor. Shana think, I in t gt th hight cor. Lit th cor from lowt to hight for arty (), Quay (Q) an Shana (S). (A) S,Q, (B) Q,,S (C) Q,S, (D),S,Q (E) S,,Q 21. Th man of a t of fiv iffrnt oitiv intgr i 15. Th mian i 18. Th maximum oibl valu of th largt of th fiv intgr i (A) 19 (B) 24 (C) 32 (D) 35 (E) On a twnty-qution tt, ach corrct anwr i worth 5 oint, ach unanwr qution i worth 1 oint an ach incorrct anwr i worth 0 oint. Which of th following cor i OT oibl? (A) 90 (B) 91 (C) 92 (D) 95 (E) Point R, S an T ar vrtic of an quilatral triangl, an oint X, Y an Z ar mioint of it i. How many noncongrunt triangl can b rawn uing any thr of th ix oint a vrtic? (A) 1 (B) 2 (C) 3 (D) 4 (E) 20 R Y S X Z T 24. Each half of thi figur i como of 3 r triangl, 5 blu triangl an 8 whit triangl. Whn th ur half i fol own ovr th cntrlin, 2 air of r triangl coinci, a o 3 air of blu triangl. Thr ar 2 r-whit air. How many whit air coinci? (A) 4 (B) 5 (C) 6 (D) 7 (E) Thr ar 24 four-igit whol numbr that u ach of th four igit 2, 4, 5 an 7 xactly onc. Only on of th four-igit numbr i a multil of anothr on. Which of th following i it? (A) 5724 (B) 7245 (C) 7254 (D) 7425 (E) 7542