Quantitative Aptitude - Arithmetic Ability Questions

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

Two numbers are 10% and 20% lesser than a third number respectively. By how much percent is the second number should be enhanced to make it equal to the first number?

A canal of a village can be cleaned by 24 villagers in 12 days. The number of days in which 36 villagers can clean the canal is ?

In a triangle XYZ , which of the following conditions is true

If 21% of an electricity bill is discounted, Rs 1817 is still to be paid. How much was the original bill amount?

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

What will be the average of the first 5 positive even numbers divisible by 9?

20% discount is offered on an item. By applying a promo code the customer wins 15% cash back. What is the effective discount?