Quantitative Aptitude - Arithmetic Ability Questions

30% discount is offered on an item. By applying a promo code the customer wins 20% cash back. What is the effective discount?

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

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

The diagonal of a square is 10√2 cm, find its perimeter?

4 men can build a small house in 12 days. How long would it take for 6 men to build the same house?

Two circles of radii 17 cm and 8 cm are concentric. The length of a chord of greater circle which touches the smaller circle is

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

Which one does not belong to the group?