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The average height of 40 students is 163...

The average height of 40 students is 163 cm. On a particular day, three students A, B, C were absent and the average of the remaining 37 students was found to be 162 cm. If A, B have equal height and the height of C be 2 cm less than that of A, find the height of A.

A

176cm

B

166cm

C

180cm

D

186cm

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A
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