Profit and Loss Practice Test 7

Question : 33 of 40

Marks: +1, -0

A shopkeeper sells a transistor at 15% above its cost price. If he had bought it at 5% more than what he had paid for it and sold it for Rs 6 more, he would have gained 10%. The cost price of the transistor is:

Rs 800
Rs 1,000
Rs 1,200
Rs 1,400

Validate

Solution:

\table CP,SP;x,x+15/100×15=115/100x;⇒100+5/100x=105/100x,115/100x+6

Gain per cent = 10%
SP = CP + 10% of CP

115/100+6=105/100x+10/100×105/100x

1,150x+ 6,000 =1,155 x

6,000 = 5x

x = 1,200

Cost price of the transistor is Rs 1,200

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