Quantitative Aptitude - Arithmetic Ability Questions

5% discount is offered on an item. By applying a promo code the customer wins 20% cash back. What is the effective discount?

On a certain item profit is 150%. If the cost price increases by 25% what will be the new profit margin (in %)?

To cover a distance of 216 km in 3.2 hours, what should be the average speed of the car in meters/second?

The average weight of 100 students is 32 kg. The average weight of first 49 students is 30 kg and of last 50 students is 34 kg. What is the weight (in kg) of the 50th student?

A box contains 5 green, 4 yellow and 3 white marbles. Threemarbles are drawn at random. What is the probability thatthey are not of the same colour ?

A sum of money was invested at the rate of 7.5% S.I. per annum for 4 years. If the investment was for 5 years, the interest earned would have been Rs. 375 more. What was the initial sum invested?

A ladder is resting against a vertical wall and its bottom is 2.5 m away from the wall. If it slips 0.8 m down the wall, then its bottom will move away from the wall by 1.4 m. What is the length of the ladder?

If A's salary is 40% less than that of B, then how much percent is B's salary more than that of A?