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P (getting a prize) = 8/(8 + 20) = 8/28 = 2/7.
Mahima’s expenditure and savings are in the ratio 5 : 3. Her income increases by 15%. Her expenditure also increases by 18%. By how many % does he...
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 ...
The population of a village two years ago was 'X'. Over the next two years, the population increased by 30% in the first year and...
A person spent 12.5% of his monthly income on food and 32% of the remaining on rent. If amount spent on rent is Rs 1512, then find the amount spe...
Sunita scored 434 marks in a test and failed by 6 marks. If the passing marks of the test is 25%. What is the maximum mark of the test?
Income of A is twice the income of B. B and A spend 20% and 30% respectively of their incomes. Find the savings of A, if B saves Rs. 18550 in a month.
In an examination having total 300 questions, in the first section having 180 questions. A student got 75% marks in first section, but he got 83% marks ...
Sujata allocated 40% of her annual income to a fixed deposit. She then spent 25% of the remaining amount on house rent and 15% on food. After these expe...
If 40% of 70 is x% more than 30% of 80, then find 'x'.
Suyash have total amount of Rs.2100 out of which, he spent 15% on food, 40% of the rest on travelling. Out of remaining amount he spends Rs.400 on misce...
