Let the length and breadth of the rectangle be 7x cm and 5x cm, respectively. According to the question, 7x + 5x = 48 Or, x = 48/12 = 4 Therefore, area of the rectangle = 7x × 5x = 35x2 = 560 cm2
A vessel is full of 90-liter milk 18 liter taken out and replaced by water, again 15liter milk is taken out and replaced by water and again 10liter milk...
In a store, there is an inventory of 4,800 caps. Black caps constitute 41(2/3) % of this total, with the rest being blue caps. The caps that have been s...
5 years ago ratio of the ages of the two persons A and B was 3:1. 3 years hence the ratio of their ages will be 7:3. Find the present age of B.
P, Q and R together started a business. Four times the investment of P equals five times the investment of Q and the capital of Q is twice that of R. Fi...
The ratio of the incomes of Vineet and Vidya is 13:10 respectively. Vineet saves 20% of his income while Vidya saves 15% of his income. The sum of their...
Three Partners Chandra, Shekhar and Azad invested in the ratio of 3/2, 2/3, 4/3 in a business. After 3 months Chandra decreased his capital by 50%. If t...
The ratio of A’s age to B’s age is 5:7, and the sum of their ages after 6 years is 72 years. Find the present age of A.
Two candles of the same height are lighted at the same time. The first is consumed in 10 hours and the second in 8 hours. Assuming that each candle burn...
There are 108 rupees in a box which contains coins of 1 rupee, 50 paise, and 25 paise. If the number of 50 paise coins is 3 times the number of 25 paise...
The total amount of money with three people is Rs 10500. If the ratio of amount with first person and second person is 7:3 and the ratio of amount with ...
