Quantitative Aptitude - Arithmetic Ability Questions

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

On decreasing the price of a fan by 40%, its sales increases by 50%. What will be the percentage increase or decrease in its revenue?

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

To cover a distance of 234 km in 1.6 hours what should be the average speed of the car in meters/second?

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?

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

What is the unit digit of the sum of first 111 whole numbers?

If the curved surface area of a right circular cone is 3080 sq cm and its slant height is 35 cm, find its total surface area?