a ×20/100 =b b=a/5 … (1) ATQ- =20× a /5 % =4×a% =4% of a.
In a class of 250 students, 150 are girls and remaining are boys. Among boys, the ratio of number of boys who are wearing caps to those who are not wear...
The ratio of P’s to Q’s salary is 5 : 7. If Q’s salary is increased by 35%, his total salary becomes Rs. 52,920. What is the salary of P?
...Ratio of number of book to number of pen sold by a shopkeeper is 21:12, respectively while ratio of number of pen to number of pencil sold by the same s...
A bag contains coins of Rs 1, 50p, and 25p and the ratio of their values is 15: 12: 7. If there are a total of 1340 coins then what will be the total nu...
If 'A' = (2/5) of 'B', 'B' = (3/4) of 'C', then find the value of (A + B) :(B + C) .
Two years ago the ratio of annual salary of three friends P, Q and R is 4 : 3 : 5. Every year since then the salary of P, Q and R increases by 10%, 12% ...
Gold, Silver and Bronze invested money in the ratio of 1/2:1/3:1/4 in a business. After 4 months, Gold doubled his investment and after 6 months, Silver...
A sum of Rs.9600 is to be divided among 4 brothers, 3 sisters and 2 aunts. If each sister receives twice as much as each aunt and each brother receives ...
An amount of money is divided among L, M and N in the ratio of 2:3:6, respectively. If the amount received by N is Rs.6000 more than the amount received...
A sum of money is divided among P, Q, R and S in the ratio of 2:3:9:10 respectively. If the share of R's is Rs. 3900 more than the share of Q, then what...