Quantitative Aptitude - Arithmetic Ability Questions

A hollow hemispherical bowl is made of silver with its outer radius 8 cm and inner radius 4 cm respectively. The bowl is melted to form a solid right circular cone of radius 8 cm. The height of the cone formed is

If PA and PB are tangents to the circle with centre O such that ∠APB=50°, then the ∠OAB=

Deksha borrowed Rs. 500 at 5% per annum S.I. What amount (in Rs.) will she pay to clear her debt after 4 years?

Calculate the distance (in cm) of the chord from the centre of the circle, if the chord of length 48 cm is drawn in the circle of radius 25 cm.

Of the 3 numbers whose average is 40, the first is 1/3 rd the sum of other 2. What is the first number?

Of the 3 numbers whose average is 72, the first is 2/7 times the sum of other 2. The first number is

Reflection of the point (3,-6) in the y-axis is

What is the value of 99992 x 100008?