The mean weight of 34 students of a school is 42 kg. If the weight of the teacher be included, the mean rises by 400 gm. Find the weight of the teacher. - Study24x7
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Chirag Singhal
04 Oct 2022 11:09 AM study24x7 study24x7

The mean weight of 34 students of a school is 42 kg. If the weight of the teacher be included, the mean rises by 400 gm. Find the weight of the teacher.

A

55 kg

B

56 kg

C

57 kg

D

66 kg

SSC Railways UPSC
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