The ratio of investment by A to that by B in a business is 14 : 15 and the ratio of their respective profit at the end of a year is 2 : 5. If A invested the money for 3 months, then for how much time ( in months) B invested his money?

If u : v= 4 : 7 ,  v : w = 9 : 7 and u=72 then find the value of w.

The ratio of income of two persons is 5 : 3 and that of their expenditures is 9 : 5. If they save ₹ 1300 and ₹ 900 respectively. Their incomes are:

If the price of tickets is increased in the ratio 8 : 11 then the number of tickets sold falls in the ratio 23 : 21 then what is the increase in the revenue, if the revenue before the increase in the price of the ticket was Rs 36,800 ?

Direction: Study the information given below carefully and answer the questions given below.
There are 450 coupons which can be used in Pedicure and Hair cutting. Ratio between Males to Females who use their coupons in Hair cutting is 13: 7 Number of males who use their coupons in Pedicure is 72 more than number of females who use their coupon in Hair cutting. Total number of males who use their coupon in Pedicure and Haircutting together is 174 more than total number of females who use their coupon in Pedicure and Haircutting together.

Find the ratio between Total number persons who use their coupons in Pedicure to total number of persons who use their coupons in Haircutting. 

The difference between two whole numbers is 110 and the numbers are in ratio 2 : 7. Find the sum of the two numbers.

The average age of a man and his son is 55 years. The ratio of their ages is 7 : 4, respectively. What will be the ratio of their ages after 6 years?

A person lent Rs. 8000 partly at the rate of 5% and partly at the rate of 6% per annum simple interest. The total interest after 2 years is Rs. 820 then in which ratio will Rs. 8000 is to be divided?