The average weight of 21 boys was recorded as 64 kg. If the weight of the teacher was added, the average increased b

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Q 1617067880.     The average weight of 21 boys was recorded as 64 kg. If the weight of the teacher was added, the average increased by
one kg. What was the teacher's weight?
IBPS-CLERK 2011 Mains 11/12/2011
A

86 kg

B

64 kg

C

72 kg

D

98 kg

E

None of these

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