Instructions

For the following questions answer them individually

Question 81

The simple interest on a certain sum at the rate of 4% per annum in 4 years is Rs. 80 more than the simple interest on the same sum at 5% per annum after 3 years. The sum is

Question 82

At what rate of compound interest a sum will be $$\frac{25}{16}$$ times of itself in 2 years?

Question 83

In an examination, a student gets 20% of total marks and fails by 30 marks. Another student gets 32% of total marks which is more than the minimum pass marks by 42 marks. The pass percentage is

Question 84

A particle is thrown upwards at the velocity of 39.2 m/sec. Time to reach the highest point is

Question 85

If the interest is compounded annually and the compound interest after 3 years at 10% per annum on a sum is Rs. 331, the principal is

Question 86

A shopkeeper earns 20% by allowing a discount of 10% on the marked price of an article. An article is marked at Rs. 280, its actual price is

Question 87

Ram bought 1600 eggs at the rate of Rs.3.75 per dozen. He sold 900 of them at 2 eggs for Re 1 and the remaining at 5 eggs for Rs. 2. Find his loss or gain percent.

Question 88

In an election a candidate gets 40% of votes polled and is defeated by the winning candidate by 298 votes. Find the total number of votes polled.

Question 89

Two numbers are less than the third number by 30% and 37% respectively. By what percent is the second number less than the first number?

Question 90

A man goes from A to B At the speed of 5 kmph and returns from B to A at 4 kmph. His average speed during the whole journey is