In some quantity of ghee, 60% is pure ghee and 40% is vanaspati. if 10 kg of pure ghee is added, then the strength of vanaspati ghee becomes 20%. The original quantity was `10\ kg` b. `15\ kg` c. `20\ kg` d. `25 kg`

In some quantity of ghee,60% is pure ghee and 40% is vanaspati.if 10kg of pure ghee is added,then the strength of vanaspati ghee becomes 20% .The original quantity was 10backslash kg b.15backslash kg c.20backslash kg d.25kg

In 1 kg mixture of sand and iron, 20% is iron. How much sand should be added so that the proportion of iron becomes 10% ?

What will be the quantity of water in the body of a person weighing 50 kg? (a) 20 kg (b) 35 kg (c) 41 kg (d) 42.5 kg

A solution contains 15% of salt, from which 30 kg of water is removed. The quantity of salt remains 20% in that solution. Find the initial quantity of solution.

A reduction of 20% in the price of sugar enables a purchaser to obtain 3 kg more for Rs.120. The original price of sugar per kg is