Quantitative Aptitude - Arithmetic Ability Questions

A mini-van crosses two people walking at the speed of 4.8 kmph and 6 kmph in the same direction as that in which the mini-van is heading in 4.5 s and 9 s, respectively. What is the length of the mini-van?

If the cost price of 20 books is the same as selling price of 25 books, then the loss percentage is

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

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

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

The HCF of 20, 28 and 48 is

If 5 -­ x > 1 + 3x and 5 + 5x ≥ 2 + 2x; then x can take which of the following values?

What is the value of (cot45 - √2) ?