Maintenance Technician - Electrical 07-Aug-2022 16_00-18_00


Question 1

The average of 10 data is 60.5. In this, the average of first 3 data is 58 and the next 4 data is 68. If the 8th data is 15 less than the 9th data and also 9 less than the 10th data, then find the eighth data.
10 डेटा का औसत 60.5 है। इसमें पहले 3 डेटा का औसत 58 और अगले 4 डेटा का औसत 68 है। यदि 8वां डेटा, 9वें डेटा से 15 कम और 10वें डेटा से 9 कम है, तो आठवां डेटा ज्ञात करें।

Options

A

43

43

B

49

49

C

47

47

D

45

45


Solution:

Correct Answer:

D

45

45


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