Quantitative Aptitude - Arithmetic Ability Questions

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:5 and area of ΔADE is 8 sq cm, what is the ratio of area of ΔADE: area of quadrilateral BDEC?

The radius and height of a solid cylinder are increased by 2% each. What will be the approximate percentage increase in volume?

The surface area of a sphere is 5544 sq.cm. Find its diameter (in cm).

A square is inscribed in a circle. If the side of the square is 14 cm, what is the area (in sq.cm) of the circle?

Number of circles that can be drawn through three non-colinear points is

A right circular conical structure stands on a circular base of 21m diameter and is 14m in height. The total cost of colour washing for its curved surface at Rs. 6 per sq. m. is
(Take Π = 22/7 )

What is the sum of the first 11 terms of an arithmetic progression if the 4th term is 11 and the 7th term is -4?

Which of the following numbers is divisible by 12?