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(#M40005768) WIPRO QUESTION problems on average Keep an EYE

The average age of a group of 10 students is 14 years. If 5 more students join the group, the average age rises by 1 year. The average age of the new students is:
A. 15 years
B. 17 years
C. 16 years
D. 18 years
E. None of these

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(#M40005767) WIPRO QUESTION problems on average Keep an EYE

The average of marks obtained by 120 candidates in a certain examination is 35. If the average of passed candidates is 39 and that of the failed candidates is 15. The number of candidates who passed the examination is:
A. 150
B. 110
C. 100
D. 120
E. None of these

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(#M40005766) WIPRO QUESTION problems on average Keep an EYE

The average of 6 observations is 12. A new seventh observation is included and the new average is decreased by 1. The seventh observation is:
A. 1
B. 3
C. 6
D. 5
E. None of these

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(#M40005765) WIPRO QUESTION problems on average Keep an EYE

Two classes took the same test. One class of 20 students made an average grade of 80%, the other class of 30 students made an average grade of 70%. The average grade for all students in both classes is:
A. 75%
B. 72%
C. 74%
D. 77%
E. None of these

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(#M40005764) WIPRO QUESTION problems on average Keep an EYE

A man bought 4 books for $50 each, 5 books for $60 each and 6 books for $70 each. The average cost of a book for the man is:
A. $50
B. $61.33
C. $60
D.$36
E. None of these

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(#M40005763) WIPRO QUESTION problems on average Keep an EYE

The average weight of 15 persons is increased by 2 kg when in place of a person having weight 70 kg another new person is included. The weight of the new person is:
A. 100 kg
B. 98 kg
C. 90 kg
D. 84 kg
E. None of these

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(#M40005762) WIPRO QUESTION problems on average Keep an EYE

A cricketer has a certain average for 9 innings. In the tenth he scores 50, thereby increasing his average by 4 runs. What is his new average?
A. 6
B. 10
C. 14
D. 16
E. 8

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(#M40005761) WIPRO QUESTION problems on average Keep an EYE

A candidate scores an aggregate of 60% marks, scoring an average of 56% in 4 of the papers and 68% in the others. How many papers were there totally?
A. 6
B. 7
C. 10
D. 9
E. None of these

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(#M40005760) WIPRO QUESTION problems on average Keep an EYE

The average of a 8 scores is 87. Of these, the highest is 2 more than the one next in magnitude. If these two scores are eliminated the average of the remaining score is 85. What was the highest score?
A. 89
B. 90
C. 92
D. 94
E. 91

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(#M40005759) WIPRO QUESTION problems on average Keep an EYE

In 5 compulsory subjects a candidate secures an average of 60%. In 2 optional subjects he secures equal marks and when these are added to his total, his average drops by 4%. How much did he secure in each optional subjects?
A. 56%
B. 52%
C. 50%
D. 46%
E. 48%

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