If a : b = c : d = e : f = 1 : 2, then (3a + 5c + 7e) : (3b + 5d + 7f) is = ?

If $$\frac{{3x + 5}}{{5x - 2}}{\text{ = }}\frac{2}{3}{\text{,}}$$   then the value of x is

Rs. 1087 is divided among A, B and C such that if Rs. 10, Rs. 12 and Rs. 15 are diminished from the shares of A, B and r…

Suppose y varies as the sum of two quantities of which one varies directly as x and the other inversely as x. If y = 6 w…

There are Rs. 225 consisting of one rupee, 50 paise and 25 paise coins. The ratio of their numbers in that order is 8 : …

If 5 person together can make 5 mats in 5 hours, then 10 person in 10 hours will make = ?

In a mixture of 25 litres the ratio of acid to water is 4 : 1. Another 3 litres of water of water is added to the mixtur…

A profit of Rs. 960 is divided between A and B in the ratio $$\frac{1}{3}$$ : $$\frac{1}{5}$$. The difference of their p…