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The respective ratio of monthly income of A to monthly income of B is 13:14, and A’s saving is (100/21)% more than B’s saving. Find the expenditure ...
In a company, the ratio of engineers to administrators is 4:1. 15% of engineers and 20% of administrators are involved in a project, and 25% of the rema...
Rohan allocates his income in the following manner: he spends 25% on rent, then 20% of the remaining amount on food. From what is left, he deposits 30% ...
The monthly income of B is 25% more than that of A. If the income of B is Rs. 42000 and A saves 40% of his monthly income, then find A’s expenditure.
What is the percentage change in the result when we add 25 to a certain number x, instead of subtracting 25 from the same number x?
A man donated 9%, 20% and 22% of his income to three NGOs ‘A’, ‘B’ and ‘C’, respectively. They spent 75%, 80% and 50% of respective sums rec...
A village lost 20% of its cattle in a flood, 20% of remaining died due to diseases and 20% of the rest were disabled. If the number left now is 9600. Wh...
A bag contains 700 coins of 25p denomination and 1400 coins of 50p denominations. If 17% of 25p coins and 34% of 50p coins are removed, the percentage o...
In a bio gas plant the population of yeast bacteria increases at a rate of 19% per annum but there is an additional annual increase of 1% in population ...