Quantitative Aptitude - Arithmetic Ability Questions

If 5x - 1 < 3x + 2 and 5x + 5 > 6 - 2x; then x can take which of the following values?

A sum of Rs 5000 becomes Rs 8000 in 3 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is yearly), then what will be the amount (in Rs) after 3 years?

Calculate the ratio of the area of two similar triangles if the sides of the triangles are in the ratio of 9:4.

If three successive discounts of 20%, 30% and 40% are given, then what will be the net discount (in percentage)?

What is the sum of the first 13 terms of an arithmetic progression if the first term is -10 and last term is 26?

The base of a triangle is half the base of a parallelogram having the same area as that of the triangle. The ratio of the corresponding heights of the triangle to the parallelogram will be

Mohan starts to calculate sum of all odd natural number less than 83. What result does he get?

In triangle ABC, ∠ABC = 90°. BP is drawn perpendicular to AC. If ∠BAP = 30°, then what is the value (in degrees) of ∠PBC?