• 80%
• 78%
• 81.25%
• 76.5%
• 79.75%
• 2.  The average earning of Mr.Kumar for the initial three months of the calendar year 2002 is Rs. 1337. If his average earning for the second and third month is Rs. 1423 find his earning in the first month?

• 2,846
• 2,779
• 3,000
• 2,660
• None of these
• 3.  The average salary per head of the entire members including employees and workers is Rs. 120. The average salary per head of the employee is Rs. 460 and that of workers is Rs. 110. If the number of employees is 15, find the number of workers in the office.

• 470
• 510
• 530
• 550
• None of the above
• 4.  The average age of group of 16 students is 20 years. If 4 more students join the group, the average age rises by 2 years. The average age of the new students is:

• 29 years
• 25 years
• 30 years
• 27 years
• none of these
• 5.  The average expenditure of a man for the first seven months is Rs. 140 and for the next five months it is Rs. 110. If he saves Rs. 330 in that year, his monthly average income is :

• Rs. 140
• Rs. 155
• Rs. 160
• Rs. 175
• None of these
• 6.  The mean of 40 observations is 75. It was noticed that one reading was misread as 60 instead of 90. What is the correct mean?

• 75.25
• 75.75
• 74
• 74.25
• None of these

• 28o C
• 29o C
• 30o C
• 31o C
• 32o C
• 8.  Virendra Sehwag has a certain average for 11 innings. In the twelfth innings, he scores 132 runs thereby increasing his average by 10 runs. His new average is -

• 20
• 22
• 24
• 26
• None of these
• 9.  If a, b, c, d, e are five consecutive odd numbers, their average is:

• 5(a + 4)
• abcde/5
• 5 (a + b + c + d + e)
• (a + 4)
• None of these

• 44 kg
• 42 kg
• 40 kg
• 38 kg
• 36 kg

• 78.5
• 69.45
• 59.5
• 70
• 66
• 12.  The average temperature for Wednesday, Thursday and Friday was 39 Â°C. The average for Thursday, Friday and Saturday was 42 Â°C, what is the difference in temperatures on Saturday and Wednesday?

• 2 Â°C
• 3 Â°C
• 9 Â°C
• 6 Â°C
• None of these.
• 13.  The average of 4 consecutive odd positive integers is 16. The product of the smallest and largest positive odd integer is

• 210
• 247
• 294
• 320
• None of the above

• 45
• 38
• 52
• 58
• 24
• 15.  The average age of seven girls sitting in a row facing south is 24 years. If the average age of first three girls is 20 years and the average age of last three girls is 28 years, what is the age of the girl who is sitting in middle of the row?

• 28 years
• 29 years
• 24 years
• 31 years
• None of these
• 16.  The average weight of 3 men A, B and C is 96kg. Another man D joins the group and the average now becomes now 88 kg. if another man E, whose weight is 4 kg more than that of D, replace A, then the average weight B, C, D and E becomes 82 kg. The weight of A is:

• 70 kg
• 72 kg
• 92 kg
• 80 kg
• None of these
• 17.  Of the three numbers, the average of the first and the second is greater than the average of the second and the third by 50. What is the difference between the first and the third of the three numbers?

• 15
• 100
• 60
• None of these
• 18.  There are three persons out of which the first person is half the age of second and twice the age of third person. If the average of their ages is 21, find the age of the eldest person.

• 9 years
• 27 years
• 18 years
• 36 years
• None of these

• 5 : 3
• 2 : 3
• 2 : 1
• 3 : 2
• 4 : 3
• 20.  The average age of a family of 5 members is 25 years. If the age of the youngest member be 9 years. Just before the birth of the youngest member, the average age of the family was: (in years)

• 15
• 20
• 21
• 12
• None of these

• 50
• 25
• 35
• 55
• 40
• 22.  The average of 10 consecutive terms of an arithmetic progression with common difference of 10 is 100. How will the average be affected if the next two terms of A.P. are also included?

• Increases by 10
• Remains the same
• Increases by 20
• Increases by 5
• Increases by 30

• Rs. 275
• Rs. 225
• Rs. 450
• Rs. 250
• Rs. 300
• 24.  If A = 1/5 and B = 1/8 and the average of A, B and C is 9/40. What is the value of C given that A, B and C are three rational numbers?

• 13/40
• 7/20
• 1/12
• 1/20
• None of these

• 70 kg
• 72 kg
• 75 kg
• 80 kg
• 78 kg
• 26.  Ashwinâ€™s bowling average is 12.4. He takes 5 wickets for 26 runs and thereby his average decreases by 0.4. The number of wickets, taken by him, before his last match is

• 91
• 78
• 72
• 64
• None of these

• 480
• 500
• 510
• 515
• 525
• 28.  The average marks of 10 students on a class are 85. When the highest and the lowest marks are dropped, the average becomes 84. If the highest marks are 95, then find out the lowest marks.

• 85
• 78
• 60
• 89
• None of these
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