Quantitative Aptitude - Arithmetic Ability Questions

Find the curved surface area (in cm2) of a right circular cylinder of diameter 28 cm and height 12 cm.

The numbers x, y, z are respectively proportional to 2, 3, 5 and the sum of x, y and z is 80. If the number z is given by the equation z = ax­-8, then a is

When a number x is divided by a divisor it is seen that the divisor = 4 times the quotient = double the remainder. If the remainder is 80 then the value of x is

The radius of two cylinders are in the ratio of 3:2 and their heights are in the ratio 3:7. The ratio of their volumes is :

Two chords AB and PQ of a circle intersect at D inside a circle. If AD = 4 cm, DB = 6 cm, QD = 3 cm, the length of PQ is equal to

The area of a rhombus is 24 m2 and the length of one of its diagonals is 8 m. The length of each side of the rhombus will be:

Given: 5x -3(2x-7) > 3x - 1 < 7 + 4x; then x can take which of the following values?

At what point does the line 3x + 2y = -12 intercept the Y-axis?