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### Arithmetic Aptitude :: Ratio and Proportion

1. A and B together have Rs. 1210.  If $$\frac { 4 } { 15 }$$  of A's amount is equal to $$\frac { 2 } { 5 }$$ of B's amount, how much amount does B have?

2.  A. Rs. 460 B. Rs. 484 C. Rs. 550 D. Rs. 664

3. Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:

4.  A. 2 : 5 B. 3 : 5 C. 4 : 5 D. 6 : 7

5. A sum of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D, what is B's share?

6. A.
 Rs. 500
B.

Rs. 1500

C.

Rs. 2000

D.

None of these

7.  Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats?
8.  A. 2 : 3 : 4 B. 6 : 7 : 8 C. 6 : 8 : 9 D. None of these

9.  In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quantity of water to be further added is:
10. A.

20 litres

B.

30 litres

C.
 40 litres
D.

60 litres

11. The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?

12. A.
 8 : 9
B.

17 : 18

C.

21 : 22

D.

Cannot be determined

13. Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit's salary?

14.  A. Rs. 17,000 B. Rs. 20,000 C. Rs. 25,500 D. Rs. 38,000

15. If 0.75 : x :: 5 : 8, then x is equal to:

16.  A. 1.12 B. 1.2 C. 1.25 D. 1.30

17. The sum of three numbers is 98. If the ratio of the first to second is 2 :3 and that of the second to the third is 5 : 8, then the second number is:

18.  A. 20 B. 30 C. 48 D. 58

19. if Rs. 782 be divided into three parts, proportional to $$\frac { 1 } { 2 }$$:$$\frac { 2 } { 3}$$:$$\frac { 3 } { 4}$$ , then the first part is:

20.  A. Rs. 182 B. Rs. 190 C. Rs. 196 D. Rs. 204