Instructions

For the following questions answer them individually

Question 81

A circle and a rectangle have the same perimeter. The sides of the rectangle are 18 cm and 26 cm. What is the area of the circle ?

Question 82

How many different triangles are there for which the lengths of the sides are 3, 8, and n, where n is an integer and

3 < n < 8

Question 83

The sum of one- half, one-third and one-fourth of a number exceeds the number by 12. The number is:

Question 84

The average score of a class of boys and girls in an examination is A. The ratio of boys and girls in the class is 3: 1. If the average score of the boys is (A + 1), the average score of the girls is:

Question 85

Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. The ratio of the their speed is:

Question 86

If the sum of two numbers is 42 and their product is 437, then the absolute difference between the number is:

Question 87

A seller allows a discount of 5% on a watch . If he allows a discount of 7%, he earns Rs. 15 less in the profit What is the marked price ?

Question 88

If the manufacturer gains 10%, the wholesale dealer 15% and the retailer 25%, then the cost of production of an article whose retail price is Rs. 1265, is: