Quantitative Aptitude - Arithmetic Ability Questions

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

A balloon leaves from a point P rises at a uniform speed. After 6 minutes, an observer situated at a distance of 450√3 metres from point P observes that angle of elevation of the balloon is 60 deg. Assume that point of observation and point P are on the same level. What is the speed (in m/s) of the balloon?

What must be the length (in cm) of the diagonal of a rectangle if its area and breadth are 60 cm² and 5 cm respectively?

The value of x for which the expressions 5x + 17 and 17x - 5 become equal is _____.

The average monthly salary of 19 members of a group is Rs. 16000. If one more members whose monthly salary is Rs. 20000 has joined the group, then the average salary of the group is

The first and last terms of an arithmetic progression are 29 and -49. If the sum of the series is -140, then it has how many terms?

What is the mean of the first five Triangular Numbers?

If a perfect square, not divisible by 6, be divided by 6, the remainder will be