Average of X, Y, Z is 24, X : Y = 2 : 3, X + Y = 60, then find X - Z = ?
16
14
8
10
12
X : Y
2x : 3x
X + Y = 60 (given)
2x + 3x = 60
5x = 60
x = 12
X = 2 12 = 24
Y = 3 12 = 36
X + Y + Z = 72 (given)
24 + 36 + Z = 72
Z = 72 - 60
Z = 12
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IBPS Clerk Prelims 2017
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