Quantitative Aptitude - Arithmetic Ability Questions

If cot(A/2) = x, then the value of x is

Find the odd word/letters/number pair from the given alternatives

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

A missile travels at 1260 km/h. How many metres does it travel in one second?

Excluding stoppages, the speed of a bus is 60 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?

The rate of working of A and B are in the ratio of 2:3. The number of days taken by them to finish the work is in the ratio:

Present age of A is 2 times the present age of B. After 8 years the B's age will be 4 times of C's present age. If C celebrated his fifth birthday 9 years
ago, then what is the present age (in years) of A?

Sachin lent out Rs 60000 in two parts, first at 4% and the second at 10% interest. The yearly average interest comes out to be 6.4%. What are the amounts (in Rs) that were lent at 4% and 10% respectively?