Question

The average weight of A, B and C is 58 kg. If the average weight of A and B is 44 kg and that of B and C is 51 kg, than the weight of B is
(1) 16 kg (2) 15 kg (3) 22 kg (4) 18 kg​

Answer 1

Answer:

16 kg

Step-by-step explanation:

(A+B+C)/3 =58

(A+B)/2 =44

A= 88-B

(B+C)/2 = 51

C = 102 -B

B = ?

A + B+ C =174

88-B+B+102-B =174

190-B =174

B = 16