Quantitative Aptitude - Arithmetic Ability Questions

If one-third of a number is 45, then what will be the 45% of that number?

In a school 60% of the students are girls. If number of boys is 480, then what is the total number of students in the school?

A book is sold at three successive discounts of 20%, 20% and 10%. What is the net discount (in percentage)?

Choose the odd word/letters/number/number pair from the given alternatives.

The length of the two parallel sides of a trapezium are 16 m and 20 m respectively. If its height is 10 m, its area in square metres is

The flight fare between two cities is increased in the ratio 9:11. What is the increase (in Rs) in the fare, if the original fare was Rs. 18,000?

A man spends a part of his monthly income and saves the rest. The ratio of his expenditure to the saving is 61 : 6. If his monthly income is Rs.8710, the amount of his monthly savings is

2cos[(C+D)/2]sin[(C-D)/2] is equal to