Quantitative Aptitude - Arithmetic Ability Questions

The amount received at 10% per annum compound interest after 3 yrs is Rs 10,648. What was the principal (in Rs)?

Hiten marks his pen at Rs 9800 and after allowing discount of 20%, he still earns 12% profit. What is the cost price (in Rs) of the pen?

If A is equal to 20% of B and B is equal to 25% of C; then what percent of C is equal to A?

If a is positive and a2+1a2 = 7, then a3 + 1a3 = ?

From an external point two tangents to a circle are drawn. The chord passing through the points of contact subtends an angle72° at the centre. The angle between the tangents is?

The sum of a non-zero number and its reciprocal is 2. What is the number?

What is the area (in cm2) of the circumcircle of a triangle whose sides are 6 cm, 8 cm and 10 cm respectively?

If  P2+1P2 = 47, then the value of P + 1P is