Quantitative Aptitude - Arithmetic Ability Questions

38% of 250 is equal to

If 3P/7 = 4Q/11, then what is the ratio of P and Q respectively?

If ΔABC is an equilateral triangle of side 16 cm, then the length of altitude is

From a point P, the angle of elevation of a tower is such that its tangent is 3/4. On walking 560 metres towards the tower the tangent of the angle of elevation of the tower becomes 4/3. What is the height (in metres) of the tower?

If the difference between the compound interest and the simple interest on a certain sum at the rate of 5% per annum for 2 years is Rs. 20, then the sum is

The sum of 10 terms of the arithmetic series is 390. If the third term of the series is 19. Find the first term

Select the missing number.

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