Quantitative Aptitude - Arithmetic Ability Questions

A certain number of men agreed to do a work in 20 days. 5 men did not come for work. Others completed the work in 40 days. Find the number of men who had agreed to do the work originally.

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?

Raghu's tanker can fill a cistern in 4 hours. After half the cistern is filled, three more similar tankers are opened. What is the total time taken to fillthe cistern completely?

The line segment AB intersects the straight line CD at B; AB will be smallest when ∠ ABD (in degrees) is

If the average age of four children is 12 years and the average age of these children and their fathers is 20 years, what is the age of the father?

Select the odd number from the given alternatives.

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

Product of digits of a 2-digit number is 72. If we add 9 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.