Quantitative Aptitude - Arithmetic Ability Questions

Choose the word which is least like the other words in the group.

The third proportional of two numbers 9 and 15 is

A right circular cylinder has height 28 cm and radius of base 14 cm. Two hemispheres of radius 7 cm each are cut from each of the two bases of the cylinder. What is the total surface area (in cm2) of the remaining part?

Ratio of A's age to B's age is 4:3. 'A' will be 26 years old after 6 years. The age of B now is

If A, B and C together do a job in 4 days, A and C together do the job in 4.5 days and B and C together do the job in 12 days then in how many days can C alone do the job?

To travel 672 km, an Express train takes 14 hours more than Rajdhani. If however, the speed of the Express train is doubled, it takes 8 hours less than Rajdhani. The speed of Rajdhani is

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

PQRS is a square whose side is 20 cm. By joining opposite vertices of PQRS are get four triangles. What is the sum of the perimeters of the four triangles?