What is the average of the number of students playing football in schools C, D and E?
Required average = (15 + 30 + 72)/3 = 39
An army lost 20% its men in war, 20% of the remaining due to diseases and 20% of the rest were disabled. Thus, the strength was reduced to 64,000 active...
A man spends 75% of his income. His income increases by 20% and his expenditure also increases by 10%. Find the percentage increase in his savings.
Vipul decided to donate 5% of his salary. On the day of donation he changed his mind and donated Rs. 1687.50, which was 75% of what he had decided earli...
A trader allows a discount of 18% on the marked price of an article. How much percentage above the cost price must he mark it so as to get a profit of 6...
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?
The weight of two persons Vishwas and Vivek are in the ratio 5:7. If the weights are increased in such a way that Vivek’s weight is increased by 2...
If the student scores 30% marks, then he is failed by 210 marks. But if he scores 55% marks then he is passed by 240 marks. Find the passing percentage....
In a train, 45% of the passengers are females. Out of total number of passengers, 65% have unreserved tickets out of which 27% are females. How much per...
Tim spends 22% of his monthly income in travelling. He spends 25% of his monthly income on household expenses and spends 36% of his monthly income on fa...
A person spent 15% of his monthly income on food and 60% of the remaining on rent. If amount spent on rent is Rs 5798.70, then find the amount sp...
