6. 

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?

A. 8 : 9
B. 17: 18
C. 21: 22
D. तय नहीं किया जा सकता

7. 

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

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

8. 

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?

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

9. 

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:

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

10. 

If Rs. 782 be divided into three parts, proportional to : : , then the first part is:

A. Rs. 182
B. रुपये। 190
C. रुपये। 196
D. रुपये। 204