Quantitative Aptitude - Arithmetic Ability Questions

Average of 31 numbers is 19. If the average of first 8 numbers is 24, then what is the average of the remaining numbers?

Samit was given some money to take care of his travel during a 6-day sales drive he had to undertake. However, he had to increase his stay by another 4 days and as a result his average daily travel allowance went down by Rs. 56. What was the amount that was sanctioned to him in the beginning?

Ram and Rahim standing at a distance of 680m run towards each other at a speed of 8 m/sec and 9 m/sec respectively. After how long will they meet?

The number of solutions of the pair of linear equations x + 2y - 8 = 0 and 2x + 4y = 16 is

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

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

Find the area (in sq.cm) of a semi-circle of radius 14cm.

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