IBPS Clerk Prelims Model Paper 22

Average weight of 12 drums = 60 kg
Sum of their weights = 12 × 60 = 720 kg
60 = H – Sv …….(A)
[Where H and Sv are weights of two heaviest drums]
And

1

2

(60) =

Σ(S10)

10

300 = Σ (S10) ... (B)
It means the sum of the remaining two drums is 420 kg.
H + Sv = 420 ……..(C)
H – Sv = 60 ……..(D)
2H = 480
H = 240