Quantitative Aptitude - Arithmetic Ability Questions

Total surface area of a cube is 486 sq cm, find sum of length of all its edges?

What should be the average speed of the car to cover a distance of 342 km in 1.9 hours?

The sum of 4x + 3y ­ 7z, x ­ y ­ z and ­2x ­ 3y + 4z is

Convert decimal number 101 to binary.

The age of Ravi is twice the age of Prakash and three times the age of Kumar. If the age of Prakash is 24 years, then what will be the age of Kumar after 4 years ?

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

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

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