Quantitative Aptitude - Arithmetic Ability Questions

The rate of simple interest for which a sum of money becomes 5 times in 8 years is

The orthocentre of an obtuse­angled triangle lies

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

If 3x - 8(2 - x) = -19, then the value of x is

A train travelling at 76 kmph crosses a 450 m long platform in 27 seconds. What is the length of the train?

If (x - 4) (x2 + 4x + 16) = x3 - P, then P is equal to

Select the odd number from the given alternatives.

What is the difference (in Rs) between compound interest (compounded annually) and simple interest for 3 years on a principal of Rs 3000 at the annual rate of 20%?