Quantitative Aptitude - Arithmetic Ability Questions

A can do a work in 36 days and B in 12 days. If they work on it together for 3 days, then what fraction of work is left?

A can complete a task alone in 8 days, while B takes 12 days to do it by herself. Together with C it takes them 4 days to complete the work. If C and D together can complete the task in 15 days, then how many days will D need to complete the task by herself?

The average of fruits offered in a temple in a week was 75. The average of fruits offered in six days excluding Tuesday was 72. How many fruits were offered on Tuesday?

An engineering student has to secure 45% marks to pass. He gets 54 and fails by 36 marks. Find the maximum marks.

If Sin x = 4/5, then Cosec x + Cot x =

What will come in the place of question mark (?) in the following question (You do not have to calculate the exact value)?

53.01 - 345.02 ÷ 22.99 = 2 ×(?)

What is the value of tan4A + tan2A?

If x + y = 5, x3 + y3 = 35, then what is the positive difference between x and y?