1. If A:B=2:3, B:C = 4:5 and c:D = 6:7, then A:D is equal to:
- 2:7
- 7:8
- 16:35*
- 4:13
2. If 2A = 3B 4B = 5C, then A:C is:
- 3:4
- 8:15
- 15:8*
- 4:3
3. If A:B = 7:9 and B:C= 3.5, then A:B:C is:
- 7:9:5
- 21:35:45
- 7:9:15*
- 7:3:15
4. 0.6 of a number equals 0.09 of another number. The ratio of the number is:
- 2:3
- 1:15
- 20:3
- 3:20*
5. The ratio of two numbers is 3:4 and their sum is 420. The greater of the two numbers is:
- 175
- 200
- 240*
- 315
6. If a carton containing a dozen mirrors is dropped, which of the following cannot be the ratio of broke mirrors to unbroken mirrors?
- 2:1
- 3:1
- 3:2*
- 7:5
7. The third proportional to 0.8 and 0.2 is:
- 0.4
- 0.8
- 0.05*
- 0.032
8. What must be added to each term of the ration 7 : 13 so then the ratio becomes 2 : 3 ?
- 1
- 2
- 3
- 5
9. Out of the ratios 7 : 15, 15 : 23, 17 : 25 and 21 : 29, the smallest one is :
- 17 : 25
- 7 : 15*
- 15 : 23
- 21 : 29
10.If 2A=3B=4C then A:B:C is:
- 2:3:4
- 4:3:2*
- 6:4:3
- 3:4:6
11. If : then the value of x is :
- 1.25
- 1.5
- 2.5
- 2.25*
12. The weight of a 13 m long iron rod is 23.4 kg. The weight of 6 m long of such rod will be:
- 7.2 kg
- 12.4kg
- 10.8 kg*
- 18 kg
13. Two number are in the ratio 3:15 If each number is increased by 10, the ratio becomes 5:7. The numbers are:
- 3.5
- 7,9
- 13.22
- 15.25*
14. If 10% of x is the same as 20% y, then x:y is equal to:
- 1:2*
- 2:1
- 5:1
- 10:1
15. What must be added to each term of the ration 7 : 13 so then the ratio becomes 2 : 3 ?
- 1
- 2
- 3
- 5
16. What number should be subtracted from each of the numbers 54, 71, 75 and 99 so that the remainders may be proportional :
- 1
- 2
- 3
- 6
17. Three friends divide Rs. 624 among themselves in the ratio :: the share of the third friend is:
- Rs.288
- Rs. 192
- Rs. 148
- Rs. 144*
18. In a ration which is equal to 5 : 8, if the antecedent is 40, then consequent is :
- 25
- 64
- 48
- non of these*
19. The mean proportional between 0.32 and 0.02 is:
- 0.34
- 0.3
- 0.16
- 0.08*
20. What number should be added to each one of, 6, 14, 18, 38 to make it equally proportionate :
- 1
- 3
- 4
- 5
Answers:
* - marked value is answer.