Quantitative Aptitude - Arithmetic Ability Questions

The area of an equilateral triangle is 25√3 sq.cm. Find its side (in cm).

Pankaj has done 1/2 of a job in 12 days, Sainath completes the rest of the job in 6 days. In how many days can they together do the job?

If a taxi going at 40 km/hr takes 25 minutes to travel a certain distance, by how much should it increase its speed (in km/hr) to travel the same distance in 20 minutes?

Product of digits of a 2-digit number is 15. If we add 18 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

A pentagonal prism has 15 edges. How many vertices does it have?

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

If 3x -­ 7 = 5x ­- 1, then the numerical value of (x ­- 4)2 is 

The ratio of the heights of Nani and Leelu is 4 : 3. If Leelu is 1.2 m tall, then what is the height of Nani?