Chapters

Chapter: RATIO, PROPORATION AND PERCENTAGE

1. | ## In a library, the ratio of number of story books to that of non-story books was 4:3 and total |

A. | 312 |

B. | 321 |

C. | 936 |

D. | 1560 |

Answer» A. 312 |

2. | ## The ratio of the present age of father to that of son is 7:2. After 10 years their ages will be in the ratio of 9:4. The present ages of the father is |

A. | 35 years |

B. | 40 years |

C. | 30 years |

D. | 25 years |

Answer» A. 35 years |

3. | ## Rs. 8400 is divided among A, B, C and D in such a way that the shares of A and B, B and C, and C and D are in the ratios of 2:3, 4:5 and 6:7 respectively. The share of A is |

A. | rs. 1280 |

B. | rs. 8400 |

C. | rs. 8210 |

D. | rs. 1320 |

Answer» A. rs. 1280 |

4. | ## Ajay and Raj together have Rs. 1050. On taking Rs. 150 from Ajay, Ajay will have same amount as what Raj had earlier. Find the ratio of amounts with Ajay and Raj initially. |

A. | 3:4 |

B. | 7:1 |

C. | 1:3 |

D. | 4:3 |

Answer» D. 4:3 |

5. | ## Price of each article of type P, Q, and R is Rs. 300, Rs. 180 and Rs. 120 respectively. Suresh |

A. | 8 |

B. | 14 |

C. | 20 |

D. | none of the above |

Answer» A. 8 |

6. | ## The ratio of market prices of wheat and paddy is 2:3 and the ratio of quantities consumed in a family is 5:4. Find the ratio of expenditure of wheat and paddy. |

A. | 6:5 |

B. | 5:6 |

C. | 1:1 |

D. | 8:15 |

Answer» B. 5:6 |

7. | ## The three numbers are in the ratio 1/2 : 2/3 : 3/4. The difference between greatest and smallest numbers is 36. Find the numbers. |

A. | 72, 84, 108 |

B. | 60, 72, 96 |

C. | 72, 84, 96 |

D. | 72, 96, 108 |

Answer» A. 72, 84, 108 |

8. | ## If a:b = 5:7 and c:d = 2a:3b, then ac : bd is |

A. | 20:38 |

B. | 50:147 |

C. | 10:21 |

D. | 50:151 |

Answer» B. 50:147 |

9. | ## If x:y = 3:4, then (7x+3y):(7x-3y) is equal to |

A. | 5:2 |

B. | 4:3 |

C. | 11:3 |

D. | 37:19 |

Answer» C. 11:3 |

10. | ## The product of two positive numbers is 4752 and their ratio is 11:12. The smaller of these numbers is |

A. | 72 |

B. | 60 |

C. | 66 |

D. | 75 |

Answer» C. 66 |

11. | ## Two numbers are in ratio 2:3. If 2 be subtracted from the first and 2 be added to the second, the ratio becomes 1:2. Find the sum of the numbers. |

A. | 30 |

B. | 28 |

C. | 24 |

D. | 10 |

Answer» A. 30 |

12. | ## How to divide 3395 in ratio of 42 : 32 : 23? |

A. | 1470, 1120 and 805 |

B. | 1550, 1235 and 610 |

C. | 1245, 1150 and 1000 |

D. | 1764, 1022 and 529 |

Answer» A. 1470, 1120 and 805 |

13. | ## a:b = 3:7 and b:c = 9:5. What is a:b:c? |

A. | 3:15:5 |

B. | 21:16:45 |

C. | 3:7:5 |

D. | 27: 63:35 |

Answer» D. 27: 63:35 |

14. | ## Income ratio of Ramesh and Suresh is 5:6. Their spending ratio is 7:9. Ramesh saves 4000 and Suresh saves 3000. Income and spending respectively of Ramesh and Suresh are |

A. | ramesh - 25000, 21000; suresh – 30000, 27000 |

B. | ramesh - 36000, 32000; suresh – 30000, 27000 |

C. | ramesh - 30000, 27000; suresh – 36000, 32000 |

D. | none of the above |

Answer» A. ramesh - 25000, 21000; suresh – 30000, 27000 |

15. | ## 10/13 = 11/28 = 21/11 = 12/11 = K. What is K? |

A. | 6/7 |

B. | 12/13 |

C. | 10/11 |

D. | 59/63 |

Answer» A. 6/7 |

16. | ## Find the mean proportional between 7 and 63? |

A. | 35 |

B. | 21 |

C. | 27 |

D. | 30 |

Answer» B. 21 |

17. | ## Find A:B:C:D when A:B = 2:3 ; B:C = 7:9 ; C:D = 5:7 |

A. | 70 : 105 : 135 : 189 |

B. | 105 : 115 : 236 :189 |

C. | 70 : 124 : 155 : 201 |

D. | 12 : 78 : 256 : 189 |

Answer» A. 70 : 105 : 135 : 189 |

18. | ## What is 4th proportional in 9, 13 and 153? |

A. | 251 |

B. | 181 |

C. | 175 |

D. | 221 |

Answer» D. 221 |

19. | ## Ratio of two numbers is 3:8. On adding 5 to both numbers, the ratio becomes 2:5. Which is the smaller number out of the two? |

A. | 64 |

B. | 120 |

C. | 45 |

D. | 105 |

Answer» C. 45 |

20. | ## The 3rd proportional to 18 and 54 is? |

A. | 144 |

B. | 72 |

C. | 162 |

D. | 972 |

Answer» C. 162 |

21. | ## 285 is summation of 3 numbers. Ratio between 2nd and 3rd numbers is 6:5. Ratio between |

A. | 135 |

B. | 150 |

C. | 124 |

D. | 105 |

Answer» D. 105 |

22. | ## It was intended that Rs. 585 be divided among P, Q and R in the ratio of 4 : 3 : 2, but by |

A. | rs. 99 |

B. | rs. 126 |

C. | rs. 140 |

D. | rs. 152 |

Answer» C. rs. 140 |

23. | ## a : b : : 3 : 5, b : c : : 4 : 3 and c : d : : 4 : 5, a : d = ? |

A. | 4 :5 |

B. | 16 : 25 |

C. | 64 : 25 |

D. | 64 : 125 |

Answer» B. 16 : 25 |

24. | ## By giving Rs. 50 to M, A would have the amount equal to what M had earlier. If the sum of |

A. | 7 : 4 |

B. | 5 : 3 |

C. | 2 : 1 |

D. | 7 : 6 |

Answer» D. 7 : 6 |

25. | ## What will be the fraction of 20% |

A. | 1/4 |

B. | 1/5 |

C. | 1/10 |

D. | none of above |

Answer» B. 1/5 |

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