Quantitative Aptitude - Arithmetic Ability Questions

28% of a number is 35. What is the number?

HCF of two numbers is 19 and their LCM is 665. If one of the number is 95, find the other.

If cos -225° = x, then the value of x is

The length of each side of a rhombus is 25 m and the length of one of its diagonals is 14 m. Find the area of the rhombus?

What are the co-ordinates of the centroid of a triangle, whose vertices are A(1, -5), B(-4, 0) and C(3, -4)?

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

A, B and C are employed to complete a work in Rs. 784. If A and B together complete 23/28 of the work. Calculate the wages (in Rs.) paid to C?

Working together, pipes A and B can fill an empty tank in 10 hours. They worked together for 4 hours and then B stopped and A continued filling the tank till it was full. It took a total of 13 hours to fill the tank. How long would it take A to fill the empty tank alone?