RRB Paramedical Staff Nurse Model Paper 9

Question : 58 of 100

Marks: +1, -0

Ravi sells 3 different files, first at profit 20%, second at 25% loss and third at 10% loss. During the whole transaction he bears the loss of Rs.120, find the cost price of first file if their SP is same?

Rs. 260
Rs. 120
Rs. 360
Rs. 480

Validate

Solution:

x = A*120{/1}00 = 1.2A

x=B*75{/} 100=0.75 B

x=C*90{/} 100=0.9 C

Loss

=(A+B+C)-(1.2 A+0.75 B+0.9 C)=120

0.4 A+0.4 A {/} 3-0.2 A=120

A=360

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