Quantitative Aptitude - Arithmetic Ability Questions

The expression 52n –23n has a factor?

Chandan is 2 years older than Ankit but 1 year younger than Sumit. Ankit is twice as old as Khushboo. If Khushboo's age is 25 years, what is the age (in years) of Sumit?

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

What is the sum of first 40 terms of 1 + 3 + 4 + 5 + 7 + 7 + 10 + 9 + ....?

The point of intersection of all the three medians of a triangle is called its

If 13A = 11B = 8C, find A : B : C

Two numbers are 90% and 75% lesser than a third number. By what % should the first number be increased so that it becomes equal to the second number?

When a number is increased by 216, it becomes 140% of itself. What is the number?