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The average of ten numbers is 7. If e...

The average of ten numbers is 7. If each number is multiplied by 12, then the average of the new set of numbers is : (a) 7 (b) 19 (c) 82 (d) 84

A

82

B

48

C

78

D

84

Text Solution

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The correct Answer is:
D
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S CHAND IIT JEE FOUNDATION-DATA HANDLING -Question Bank - 24 (a)
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  9. The given pie- chart shows the marks scored by a students in five diff...

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  17. If the median of x/5,x/4,x/2,x and x/3, "where"xgt0, is 8, find the va...

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  18. The frequency distribution of discrete data given below, the frequency...

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  19. The average of ten numbers is 7. If each number is multiplied by 12...

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  20. The arithmetic mean of the scores of a group of students in a test was...

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