Quantitative Aptitude - Arithmetic Ability Questions

A bus runs at 50 kmph. If the speed is increased by 10 kmph, it will cover 20 km more in the same time. Find the actual distance covered?

Car B is running twice as fast as car A. If car A covers a distance of 90 km in 1 1/2 hrs, what is the speed of car B?

65.The angles of elevation of an aeroplane flying vertically above the ground, as observed from the two consecutive stones, 1 km apart; are 45o and 60o. The height of the aeroplane from the ground is

The area of the largest triangle that can be inscribed in a semicircle of radius 6m is

What is the compound interest earned on Rs 80,000 at 40% per annum in 1 year compounded quarterly?

10% discount is offered on an item. By applying a promo code the customer wins 20% cash back. What is the effective discount?

A book is sold at three successive discounts of 20%, 20% and 10%. What is the net discount (in percentage)?

A discount series of 15%, 20% and 25% is equal to the single discount of?