Quantitative Aptitude - Arithmetic Ability Questions

Which one of the following is an irrational number?

If (6 ­- 18x) -­ (x ­- 7) = 8, then the value of x is ______.

A bank offers 20% compound interest per half year. A customer deposits Rs 6000 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is

A basket contains 300 mangoes . 75 mangoes were distributed among some students . Find the percentage of mangoes left in the basket

If x = 1 + √2 + √3 , then the value of 2x4 - 8x3 - 5x2 + 26x - 28 is

What is the value of [tan (90 – A) + cot (90 – A)]2/[2 sec2(90 – 2A)]?

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

If x2-3x+1=0, then x+1x is (x≠0)