Quantitative Aptitude - Arithmetic Ability Questions

A certain sum of money triples itself in 5 years at simple interest. In how many years it will be five times?

The simple interest on Rs. 2000 for 2 years at Rs. 75 per thousand per annum will be

The area and the length of one of the diagonals of a rhombus is 84 cm² and 7 cm respectively. Find the length of its other diagonal (in cm).

Giving two successive discounts of 20% is same as giving one discount of ________ %.

In a triangle the length of the side opposite the angle which measures 30 degree is 12 cm, what is the length of the side opposite to the angle which measures 60 degree?

Rehman walks at 8 km/hr and Roma cycles at 13 km/hr towards each other. What was the distance between them when they started if they meet after 36 minutes?

The average revenues of 11 consecutive years of a company is Rs 69 lakhs. If the average of first 6 years is Rs 64 lakhs and that of last 6 years is Rs 76 lakhs, what is the revenue for the 6th year?

From a point, 40 m apart from the foot of a tower, the angle of elevation of its top is 60°. The height of the tower is