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1. If A/3 = B/4 = C/5 ,thenA:B:Cis —, A452 5 eb) S24 @)s<4°5 D) 20:15 :2 E), None of these, , 2. IfA:B= 1/2: 3/8,B:C= 1/3: 5/9 andC:D=5/6:3/4,, then the ratioA:B:C:Dis —, , A)4:6:8:10 B)6:4:8:10 C)6:8:9:10, , Dy S267 1089 E) None of these, , 3. If (a+b): (a-b)=15: 1, then the value of (a? - b?) is —, A) 56 B) 15 Cc) 112 D)8 E) None of these, , 4. Two equal containers are filled with the mixture of milk and, water. The concentration of milk in each of the container is 20%, and 25% respectively. What is the ratio of water in both the, containers respectively?, , A)15:16 B)16:15 C)4:5 D)5:4 &)Noneof these, , 5. The salaries of A, B, C are in the ratio 2: 3:5. If the increments, of 15%, 10% and 20% are allowed respectively in their salaries,, then what will be the new ratio of their salaries?, , A)3:3:10 B) 10:11:20 C) 23:33:60, , D) Cannot be determined E) None of these, , 6. The compounded ratio of (2 : 3), (6: 11) and (11:2) is —, Aye 2 B21 Ci: 24 D) 36: 121, E) None of these, , 7. Ratio of the earnings of A and Bis 4: 7. If the earnings of A, increase by 50% and those of B decrease by 25%, the new ratio of, their earnings becomes 8 : 7. What are A's earnings?, , A) Rs.21,000 B) Rs.26,000 C) Rs.28,000, , D) Data inadequate E) None of these

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8. The ratio of marks obtained by Vinod and Basu is 6:5. If the, , combined average of their percentage is 68.75 and their sum of the, , marks is 275, find the total marks for which exam was conducted., A)150 B)200 C)400 D) 450, , 9. |Ina pocket of A, the ratio of Rs.1 coins, 50p coins and 25p coins, can be expressed by three consecutive odd prime numbers that are, in ascending order. The total value of coins in the bag is Rs 58. If, the number of Rs.1, 50p, 25p coins are reversed, find the new total, value of coins in the pocket of A?, , A) Rs 68 B)Rs43 C)Rs75 D)Rs82, , 10. Rs.432 is divided amongst three workers A, B and C such that, 8 times A's share is equal to 12 times B’s share which is equal to 6, times C’s share. How much did A get?, , A)Rs.192 BB) Rs.133 = C) Rs.144_ ~——dD) Rs.128, , 11. Acandoa work in 15 days andB in 20 days. If they work, onit together for 4 days, then the fraction of the work that is, left is —, , A) 1/4 B) 1/10 C) 7/15 OD) 8/15 E) None of these, , 12. Acanlay railway track between two given stations in 16, days andB cando thesamejobin 12 days, with help of C, they, did the job in 4days only. Then, C alone can do the job in—, A) 9 (1/5) B) 9 (2/5) O93 D) 10, E) None of these, , 13. A,Band Ccan doa piece of work in 20, 30 and 60 days, respectively. In how many days can A do the work if he is assisted, by B and C on every third day?, , A)12 B)15 C)16 D)18 —) None of these, , 14. Ais thrice as good as workman as B and therefore is able to

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finish a job in 60 days less than B. Working together, they can do it, in —, , A) 20 days B) 22 (1/2) C) 25 days D) 30 days, , E) None of these, , 15. Acan doa piece of work in 4 hours; B and C together can do it, in 3 hours, while A and C together can do it in 2 hours. How long, will B alone take to do it?, , A) 8 hours B) 10 hours C) 12 hours D) 24 hours, , E) None of these, , 16. 4menand 6 women can complete a work in 8 days, while 3, men and 7 women can complete it in 10 days. In how many days, will 10 women complete it?, , A)35 ~—-B) 40 C) 45 D)50 ~—E) None of these, , 17. Sakshi can do a piece of work in 20 days. Tanya is 25% more, efficient than Sakshi. The number of days taken by Tanya to do the, same piece of work is —, , A)15 ——-B) 16 C)18 D)25 ~ &)None ofthese, , 18. The total number of men, women and children working in a, factory is 18. They earn Rs.4000 in a day. If the sum of the wages of, all men, all women and all children is in the ratio of 18: 10: 12 and, if the wages of an individual man, woman and child is in the ratio, 6:5:3, then how much a woman earn in a day?, , A)Rs.400 B)Rs.250 C)Rs.150 D)Rs.120, , E) None of these, , 19. 5 menand 2 boys working together can do four times as much, work as a man and a boy. Working capacities of a man and a boy are, in the ratio —, , Adis B)2:1 Qaes B)se1 E) None of these, , 20. A tyre has two punctures. The first puncture alone would have

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made the tyre flat in 9 minutes and the second alone would have, done it in 6 minutes. If air leaks out at a constant rate, how long, does it take both the punctures together to make it flat?, A)1(1/2) —_B) 3(1/2) C) 5(3/5) D) 4 (1/4), E) None of these, , 21. Which one of the following numbers will completely divide, 325432643274328 2, , A)11 + B)16 C)25 D)30 ~ €&)Noneof these, , 22. What is the smallest number by which 3600 be divided to, make it a perfect cube?, A)450 B)445 C)440 D)430_ €£)Noneofthese, , 23. The difference between the local value and the face value of 7, in the numberal 32675149 is —, A)75142 8B) 64851 C)5149 D)69993_ E) None of these, , 24. The smallest 3 digit prime number is —, A)103 B)107. C€)109 D)113 E) None of these, , 25. If the number 517 * 324 is completely divisible by 3, then the, smallest whole number in place of * will be _, , A)O B)1 GZ D) Data inadequate, , E) None of these