IBPS Clerk Prelims Model Paper 20

X + Y + Z = 24×3 = 72
X : Y = 2 : 3 (Given)
Let ‘X’ to be 2a & ‘Y’ to be 3a
X + Y = 60 (Given)
2a + 3a = 60
5a = 60
a = 12
Hence, X = 24 & Y = 36
From equation (1)...
Z = 72 – 60
Z = 12
Hence, X – Z = 24 – 12 = 12