Quantitative Aptitude - Arithmetic Ability Questions

Coefficient of x2 in 6x3 + 4x2 + 2x + 3 is

If 5x ­- 40 = 3x, then the numerical value of 2x -­ 11 is

The ratio of two numbers is 6 : 11 and their difference is 65. What will be the smaller number among both the numbers?

Find two numbers such that their mean proportion is 12 and third proportion is 768.

The income of S, T and U are in the ratio of 7 : 9 : 6 and their expenses in the ratio of 4 : 5 : 3. If S saves Rs 2000 out of an income of Rs 14000, then what will be the saving (in Rs) of T?

Two pipes of length 1.5 m and 1.2 m are to be cut into equal pieces without leaving any extra length of pipes. The greatest length of the pipe pieces of same size which can be cut from these two lengths will be

If the perimeter of a semi-circle is 36 cm, then find its radius (in cm).

Two men are on opposite sides of a tower. They measure the angles of elevation of the top of the tower as 30 ̊ and 45 ̊ respectively. If the height of the tower is 50 m, the distance between the two men is (Take √3 = 1.73)