Question

In a class, the average height of the boys is 154 cm
and that of the girls is 132 cm. The average height of
the class is 145.2 cm. What could be the possible
strength of the class?
(1) Boys = 22; Girls = 33
(2) Boys = 18; Girls = 9
(3) Boys = 30; Girls = 20
(4) Boys = 33; Girls = 44
(5) None of these
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Answer 1

2 nd option according to me

Answer 2

Answer:

3rd option is correct

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