SSC CGL Model Paper 9

Question : 55 of 100

Marks: +1, -0

The average pocket money of 3 friends A, B and C is Rs 120 in a particular month. If B spends double and C spends four times of what A spends during that month and if the average of their saved pocket money is Rs 100, then B spends (Rs)

$120/7$
$60/7$
$220/7$
$240/7$

Validate

Solution:

Total pocket money of A, B, C = 360 Rs
Spending of B : A = 2 : 1
Spending of C : A = 4 : 1
Spending of A : B : C = 1 : 2 : 4
Saved pocket money = 3 × 100 = 300
Spend money = 360 - 300 = 60 Rs
1x + 2x + 4x = 60

x=60/7

B spends =

{2×60}/7=120/7Rs

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