The average height of 50 bats is 126 cm. Some bats of average height 1 – McqOptions

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1.	The average height of 50 bats is 126 cm. Some bats of average height 120 cm are removed. If the new average height is 130 cm, then how many bats are remaining?_x005F_x000D_
A.	12
B.	20
C.	16_x005F_x000D_
D.	30
Answer» E.

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