Quantitative Aptitude - Arithmetic Ability Questions

What is the equation of the line which intercepts x­axis and y­axis at 3/4 and ­2/3 respectively?

The ratio of marks obtained by a student was 1:2:3. The school decided to allow grace marks of 5% for each subject. Find the student's new ratio.

72% of a number is 90. What is the number?

In the following question, select the odd word pair from the given alternatives.

In the following question, select the odd letter/letters from the given alternatives.

The compound interest on Rs. 4000 for 4 years at 10% per annum will be

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 22472, and Rs 23820.32 respectively, what is the rate of interest?

Pipe A can fill an empty cistern in 4 hours while along with Pipe B it can fill it up in 3 hours. Only Pipe A is turned on for an hour after which Pipe B is also turned on. How much total time will it take to fill up the cistern?