Average

1.		A batsman scores 23 runs and his average increased from 15 to 16. Find the runs to be made if he wants to increase the average to 18 in the same match.

39

42

40

50

2.		The average marks of Akrit decreased by one, when he replaced the subject in which he has scored 40 marks by the other two subjects in which he has scored 23 and 25 marks respectively. Later, when he also included 57 marks of Maths, the average marks increased by two. How many subjects were there initially?

18

16

12

15

3.		What is the average of all the multiples of ten from 10 to 190 (both inclusive)?

90

95

100

105

4.		In an examination, the average marks was found to be 50. After deducting computational errors, the marks of the 100 candidates had to be changed from 90 to 60 and the average marks came down to 45. Total No of candidates who took the examination were:

450

600

500

400

5.		15. In a town, average rainfall on Monday, Tuesday, Wednesday and Thursday is 24 cm. Average rainfall on Thursday, Friday, Saturday and Sunday is 30 cm. Average rainfall on Monday to Sunday is 27 cm. The actual Rainfall on Thursday is:

25

26

27

30

6.		A monument has an average of 450 visitors on Sunday and 300 visitors on other days. The average number of visitors in the month of April beginning with a Sunday is:

325

275

350

375

7.		The ratio of expenditure to saving is 3 : 2. If the income increases by 15% and the savings increases by 6%, then expenditure increases by:

25%

21%

18%

13.33%

8.		In an exam of 100 marks, the average marks of a class of 40 students is 76. If the top 3 scorers of the class leave, the average score falls down by 1. If the other two toppers except the highest one scored not more than 85, then what is the minimum score the topper can have?

86

90

95

98

9.		In a team of 8, comprising of equal boys and girls, boys eat on average 72 kg of food and girls eat on an average 50 kg of food. A new girl joined the team and the average consumption became 67 kg. How much did new girl eat (in kgs)?

115 kg

105 kg

110 kg

90 kg

10.		In the morning, a student reads 100 pages at the rate of 60 pages per hour. In the evening, she reads next 100 pages at the rate of 40 pages per hour. Her average rate of reading, in pages per hour is:

60

50

48

45