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SOE COMPETITIVE CLASSES, , {DUMRAON}, , , , No. of Questio, , IfA:B=3:4,B:C=5:6andC: D=11:9 find A:D, is., , afe A:B=3:4,B:C=5:6 318 C:D=11:9%, @, , A:D ait @IfSTy?, (a) 50: 60 (b) 55:72, (c) 60:70 (d) 65:75, , Ifaib = 3:4, then (6a+b):(4a+5b)is:, afe a:b = 3:4, aT (6a+b):(4a+5b) eT?, (a) 1:2 (b) 3:5, , (c) 7:8 (d) 11:16, , 94 is divided into two parts in such a way that the, fifth part of the first and the eighth part of the, second are in the ratio 3 : 4. The first partis;, , o4 ot at ari 4 ga Re feenfora far wren @, fe, Use GT Wad APT Te AR ST aedt ATT 34 S, , (a) 27 (b) 30, (0) 36 (d) 48, , If X and Y shared Rs. 1100 in the ratio 1: 10, how, much did X get?, , afe x sit y, 1100 wae GT 1:10 H died @ ch x ar, foot wae fehl?, (a) Rs.99 (b) Rs. 100, (c) Rs. 101 (d) Rs. 110, If 2x = 3y = 4z, then x :y:zis, , ate 2x = 3y =4z a XLy:Z er —, , (a) 2:3:4 (b) 4:3:2, , , , 10., , , , , , BY-AMRIT SIR, , Time : 10 Min., , (c) 6:4:3 (d) 3:4:2, , Ifx:y = 7:9 and y:z=5:4, then x:y:z is:, afe xy =7:9 di y:2=5:4, a xyz BT?, (a) 7:45:36 (b) 35:45:36, (c) 28:36:35 (d) None, , The fourth proportional to 3, 5 and 21 is:, , (a) 35 to) Z, (0) 2 (d) 12.6, , Mean proportional between 7 and 28 is:, , 7A 28 wr HEAT srt arse?, (a) 17.5 (b) 12, (c) 14 (d) 16, , Third proportional to 9 and 12 is, , (a) 63, , (c) 16 (d) None, , (b) 10.5, , What must be added to each term of the ratio 49 :, 68 so that it becomes 3:4?, , 4968 G wetH ve ¥ oh wen wis a argu, 34 81 oe?, , (a)3 (b)5, (8 (a9

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11., , 12., , 13., , 14., , SOE COMPETITIVE CLASSES, , {DUMRAON}, , A boy 1.4 m tall casts a shadow 1.2 m long at the, time when a building casts a shadow 5.4 m long., The height of the building is:, , We ase 14 Wey wa @, frat wrt 12 Alex, e ue wet waa ve fafesT ot wrar 5.4 Afex er, , (a) 4.63 m (b) 3.21m, , (c) 6.3m (d) 5.6m, , Rs. 4850 have been divided among A, B, C such, that if their shares be diminished by Rs. 15, Rs. 10, and Rs. 25 respectively, the remainders are in the, ratio 3: 4: 5. Then, B’s share is, , 4850 TY ST A,B, CH ga axe feria wiferg fe, afe a om feed FS HAT: 15 G, 10%. gi 258., Oa GY Ua F Tl MT GT sqU 34:5 Ww Ta z, B, , aor een sd Hr?, (a) Rs. 1595 (b) Rs. 1610, (c) Rs. 1626.66 (d) Rs. 1600, , The prices of a scooter and a moped are in the, ratio 9 : 5. If a scooter costs Rs. 6800 more than a, moped, the price ofa scooter is:, , Uh CRY TA WH AS I HAG GT agar 9:5, S, Ue Vo THX OT Gra, Fis a GAT W 6800, , (a) Rs. 17000 (b) Rs. 13600, , (c) Rs. 15300 (d) None, Rs. 770 have been divided among A, B, C in such a, way that A receives eth of what B and C together, , receive. Then A s share is:, , 770 Waa GT A,B,C ga cee fenfsra aifsry, fa, A® BITCH yoret a ah a ar fee set, , (a) Rs. 140 (b) Rs. 154, , , , 15., , 16., , 17., , 18., , BY-AMRIT SIR, (c) Rs. 165, , , , Asum of Rs. 7000 is divided among A, B, C in such, a way that shares of A and B are in the ratio 2 :3, and those of B and C are in the ratio 4: 5. The, amount received by C is:, , 7000 wre oT A,B, CH ge axe farforr afer,, OAR BS fet HT syd 23 wT BICH, feet oT argued 4:5 et, at c ot feta gat wrt, erm, , (a) Rs. 2600 (b) Rs. 2800, , (c) Rs. 3000 (d) Rs. 3900, , A sum of Rs. 53 is divided among A, B, C in sucha, way that A gets Rs. 7 more than what B gets and B, gets Rs. 8 more than what C gets. The ratio of their, shares is, , 53 eat at Go ult aw A,B IR CH ga VER, fernforr aifsry, fo A, er BS 7 wos varer Te B, or CW 8 VW Mer wet S, a wad feed oT, argara Sra weitere?, , (a) 16:9:18 (b)25:18:10, , (c) 18:25:10 (d) 15:8:30, , Asum of money is divided among A, B, C such that, to each rupee A gets, B gets 65 paise and C gets 35, paise. If C’s share is Rs. 560, the sum is, , we or of A,B,C aH sa wer feist fear, ure & fe afe Awl ve SIs urd ea s dt B aT, 6 ti a cof 35 te ora ea @ ae c oT, fee seo 8 dh Gat ora sat wifey?, , (a) Rs. 2400 (b) Rs. 2800, , (c) Rs. 3200 (d) Rs. 3600, , Rs. 5625 are divided among A, B, C so that A may, receive one-half as much as B and C together, receive and B receives one-fourth of what A and C

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19., , 20., , 21., , 22., , SOE COMPETITIVE CLASSES, , {DUMRAON}, , together receive. The share of A is more than that, of B by:, , 5625 WHY OT A, Be CH ga WHR der wae, fe (B+C) feast urea aed @ A VAT oe TAT, (A+C) far ore GRA & BAHT Meng wT Hea, @ WAG feen, BS fect varar er?, , (a) Rs.750 (b) Rs. 775, , (c) Rs. 1500 (d) Rs. 1600, , A certain amount was divided between X and Y in, the ratio 4: 3. In Y’s share was Rs. 4800, the total, amount was, , we faa ut a x sik y¥ 43 O agua A, feenfsra fear oat &| Bor fee 4800 woe z, aT, oat air ert?, , (a) Rs. 11200 (b) Rs. 6400, , (c) Rs. 19200 (d) Rs. 39200, , The cost of making an article is divided between, materials, labour and overheads in the ratio of, 5:3:1. If the materials cost Rs. 6.90, the cost of the, article is, , Ww a o TM H oa wef, woe Te, SR ard 531 & aqua Hs) afe wre ay, , (a) Rs. 13.80 (b) Rs. 12.42, , (c) Rs. 11.56 (d) Rs. 9.83, , The ratio of zinc and copper ina brass piece is 13 :, 7. How much zinc will be there in 100 kg of such a, piece?, , we tae 4 feie cen @fae wT sigue 13:7 @, 100, , (a) 20 kg (b) 35 kg, , (c) 55 kg (d) 65 kg, , pee a” then STO Ep, 304 7' co!, , , , , , BY-AMRIT SIR, a_b_c atbte, 347 c, , (a7 (b)2, 1 1, (5 (a) 5, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , 23. If (a+b) : (a-b) = 5:1, then (a? - b’) : (a? + b?) ?, afe (a+b) : (a-b) = 5:1 aT (a2 - b2) : (a2 + b2) ?, (a) 2:3 (b) 3:2, (c) 5:13 (d) 13:5, 24. Two whole numbers whose sum is 64 cannot be in, the ratio:, at et tent forrar arrre 64 @ al fre aqua, (a) 5:3 (b) 7:1, (c) 3:4 (d) 9:7, 25. If a carton containing a dozen mirrors is dropped,, which of the following can not be the ratio of the, broken mirror to unbroken mirrors ?, ve Sa 1 we ao 8 ae TPR oT 2 aw, fre 4 8 ao ce sie fear ee ede or agar, (a) 2:1 (b) 7:5, (c) 3:2 (d) 3:1, Answer Key, 1 b 2 d 3 b 4 b 5 c, 6 b 7 a 8 c 9 c 10 |c, 11 fc 12 [b 13 |c¢ 14 |a 15 |c, 16 |b 17_ |e 18 [a 19 I|a 20 |b, 21 |d 22 |b 23 |c 24 Ic 25 |e, 1. (b), Given

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SOE COMPETITIVE CLASSES, {DUMRAON}, , oS, a1 &, o/E, , alo, ain, SIN, , A:B:C:D, , 3:4:4:4, , 5:5:6:6, , PUTE119:, , Now, A 7 D, A:B:C:D> = 3x5x11 : 4x6x9, , > 55 : 72, , (6a+b) : (4a + 5b), , Put the value ofa and b in above ratio —, (6%3+4) : (4x3+5%4), , => 22:32, , >11:16, , (b), Let the first and Second part be x and y, respectively, , , , The first part is = s x94 = 30, , (b), Ratio of shares of x andy =1:10, , , , BY-AMRIT SIR, , , , Then, share of x = a x1100 = Rs. 100, , (©), , According to question, 23. sand Be,, y 2 z 3, then,, , (b), , Given mit =, y 9, , x, ‘2, , alo, , xy:Z = 35:45:36, , (a), , Given, , We can write the number in this term of ratio, Now, 3:5::21:x, , where x is 4" proportional of number, , 21x5, , Then, x = =35, , , , I), , Mean Proportional = Jab, Wherea = 7 and b = 28, , So,, , Mean Proportional = 7x28, , Mean Proportional = 14, , i), We know that,, , BR, Third proportional = —, a, , where, a = 9, and b = 12

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10., , 11., , 12., , 13., , SOE COMPETITIVE CLASSES, , {DUMRAON}, , 12x12 =16, , , , 3" Proportional =, , (©), , Given,, , a_49, b 6, , So, According to question, , 49+x_3, , 68+x 4, , , , 196+4x = 204+3x, x=8, , We must 8 added to each term, , iG), Let the height of building be x metre., According to question, , Height >, Shadow 12 5.4, , , , x= aed 6.3 metre, , , , (b), , According to question, , Total diminished shares = (15+10+25)= Rs. 50, Remaining = (4850 - 50) = Rs. 4800, , Now ratio of A, Band C share=3:4:5, 5 4, B's share = —x4800 = 1600, 12, Total share of B = (1600+10) = Rs. 1610, (), , Given,, , Ratio of Scooter and Moped = 9: 5, , , , 14., , 15., , 16., , 17., , BY-AMRIT SIR, , difference is 4 unit = 6800, , , , 1 unit = 1700, , Price of scooter = 17009 = Rs. 15300, , (a), , Given, , A= 2% (B+C), A ot., B+C 9, Now,, , A’s Share is = = x770 =Rs. 140, , So,A:B:C=8:12:15, , C’s share = 5e%7000 = Rs. 3000, , (b), , Let the share of C be Rs.x, According to question,, C=x, then, B=x+8 and A = (x+8+7), A=x+15, , X+x+8+x+15 = 53, , 3x=30, , x=10, , A=x+15=10+15 = Rs.25, B=x+8=10+8=Rs.18, C=x=Rs.10, , So, A:B:C =25:18:10, , (©)