Instructions

For the following questions answer them individually

Question 81

A batsman makes a score of 81 runs in the 16th match and thus increases his average runs per match by 3. What is his average after the 16th match?

Question 82

A vendor buys 12 bananas for Rs 60 and sells 5 bananas for Rs 32. What will be his gain (in %)?

Question 83

Two labourers A and B are paid a total of Rs. 1120 per day. If A is paid 180 percent of what is paid to B, how much (in Rs) is B paid?

Question 84

A man travelled a distance of 99 km in 9 hours. He travelled partly on foot @ 9 km/hr and partly on bicycle @ 18 km/hr. What is distance (in kms) travelled on foot?

Question 85

The compound interest earned in two years at 15% per annum is Rs 20640. What is the sum invested (in Rs)?

Question 89

What is the sum of the first 17 terms of an arithmetic progression if the first term is -20 and last term is 28?