Quantitative Aptitude - Arithmetic Ability Questions

The point where the 3 medians of a triangle meet is called

A solid sphere and a solid hemisphere have the same total surface area. The ratio of their volumes is (Take, π=22/7)

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

If 2x -3(x + 2) < 5 - 2x < -x + 2, then find the value of x.

Amarjeet scored 92, 98 and 90 marks in Chemistry, Mathematics and Physics respectively. The maximum marks in each subject are 100. Determine his overall percentage for the three subjects.

What is the value of [(sin x + sin y) (sin x – sin y)]/[(cosx + cosy) (cosy – cosx)]?

If -3[1-(x/2)] + 5x/3 = 1/6, then what is the value of x?

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