Monday, December 25, 2017

Quant Quiz - Ratios

Q1)-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?
8 : 9
17 : 18
21 : 22
None of these
Ans.- C


Q2)-A sum of Rs.312 was divided among 100 boys and girls in such a way that the boy gets Rs.3.60 and each girl Rs.2.40 the number of girls is
35
40
45
50
Ans.- B


Q3)-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:
20
30
40
48
Ans.- B


Q4)-Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:
2 : 5
3 : 5
4 : 5
5 : 4
Ans.- C


Q5)-Sushil got thrice as many marks in English as in Science. His total marks in English, Science and Maths are 162. If the ratio of his marks in English and Maths is 3:5, find his marks in Science?
18
20
24
28
Ans.- A


Q6)-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?
Rs 500
Rs 1500
Rs 2000
Rs 2500
Ans.- C


Q7)-The salaries of A, B and C are of ratio 2:3:5. If the increments of 15%, 10% and 20% are done to their respective salaries, then find the new ratio of their salaries.
20:33:60
21:33:60
23:33:60
22:33:60
Ans.- C


Q8)-The sum of three numbers is 98. If the ratio of the first to the second is 2:3 and that of the second to the third is 5:8, then the second number is
10
17
25
30
Ans.- D


Q9)-There are two numbers and their ratio is 3 : 9. If we substract 9 from both numbers then their ratio becomes 12 : 13, what is value is smaller number ?
23
33
43
53
Ans.- B


Q10)-The salaries of A, B, and C are in the ratio of 1 : 2 : 3. The salary of B and C together is Rs. 6000. By what percent is the salary of C more than that of A?
100 %
200 %
250 %
300 %
Ans.- B


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