1.

The mean (average) weight of three students is 40 kg. One of the students Ranga weighs 46 kg. The other two students, Rahim and Reshma have the same weight. Find Rahims weight.

Answer» LET WEIGHT of RAHIM =weight of reshma=X
hence from GIVEN data
40+x+x/3=46
40+2x=46×3
2x=138-40
2x=98
hence x= rahim's weight=98/2=49


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