Quantitative Aptitude - Arithmetic Ability Questions

The amount (in Rs) received at 10% per annum compound interest after 3 yrs is Rs 1,19,790. What was the principal?

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

Select the odd word from the given alternatives.

A person goes from point N to P and comes back. His average speed for the whole journey is 60 km/hr. If his speed while going from N to P is 40 km/hr, then what will be the speed of the person (in km/hr) while coming back from P to N?

A boy crosses a 300 metres wide road in 30 seconds. What is his speed (in km/hr)?

Which of the following is NOT prime number?

If (secA - tanA)2 = x, then the value of x is

Alarms from 3 different clocks sound after every 2, 4 and 6 hours, respectively. If the clocks are startedat the same 6 time, how many times do the alarms ring together in 3 days?