Quantitative Aptitude - Arithmetic Ability Questions

On a certain principal, simple interest amounts to Rs. 2,000 in two years at the rate of 10% p.a. What will be the difference in the amount of interest if the same is compounded on annual basis?

Calculate the angle subtended by the chord at the point on the major arc if the radius and the chord of the circle are equal in length.

The slopes of two lines are 1/√3 and √3. What is the angle between these two lines?

ΔABC is right angled at B. BD is an altitude. AD = 9 cm and DC = 16 cm. What is the value of BD (in cm)?

What will be the roots of the quadratic equation x2 - 25x + 156 = 0?

What is the value of 23+5252-23 ?

What is the value of Tan 45° + 4/√3 Sec 60°?

A car travels from A to B with 40 Km/h and returns from B to A with 60 Km/h. Its average speed during the whole journey is