Quantitative Aptitude - Arithmetic Ability Questions

An angle is greater than its complementary by 20°. What will be the measure of the angle?

In a cyclic quadrilateral ABCD , the side AB is extended to a point X. If ∠XBC = 82° and ∠ADB = 47° , then the value of ∠BDC is

ABCD is a trapezium in which AB is parallel to CD and AB = 4(CD). The diagonals of the trapezium intersects at O. What is the ratio of area of triangle DCO to the area of the triangle ABO?

If the curved surface area of a right circular cone is 10010 sq cm and its radius is 35 cm, find its volume?

Which of the following numbers is divisible by 12?

Two pipes, when working one at a time can fill a cistern in 2 hrs and 3 hrs, respectively while a third pipe can drain the cistern empty in 6 hrs. All the three pipes were opened together when the cistern was 1/6 full. How long will it take for the cistern to be completely full?

Simple interest on a sum of Rs 67400 for 14 months is Rs 4718. What is the rate (in percentage) of interest per annum?

What least number must be subtracted from 3401, so that the sum is completely divisible by 11?