Quantitative Aptitude - Arithmetic Ability Questions

Of the four numbers, whose average is 60, the first is one-fourth of the sum of the last three. The first number is :

A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is:

What will come in place of the question mark (?) in the following number series?

17, 98, 26, 89, 35, ?

A car owner buys petrol at Rs 7.50, Rs. 8 and Rs. 8.50 per litre for three successive years. What approximately is the average cost per litre of petrol if he spends Rs. 4000 each year ?

Find the odd one out.

Average of 10 numbers is 14. If each number is multiplied by 6, then what will be the new average?

Refer the below data table and answer the following question.

What was the total profit or loss of the company in the last 5 years?

Select the odd figure out of the following figure series?