Percentage Practice Problems for IBPS/SBI/RRB
Percentage Practice Problems for IBPS/SBI/RRB POs and Clerks
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PERCENTAGE
Q: 1 A space research company wants to sell its two machines A and B. If the machine A is sold at 20%loss and the machine B at 30% gain, the company will not lose anything. If the machine A is sold at 15% loss and the machine B at 15% gain, the company will lose Rs. 6 million in the deal. What is the cost of machine B?
(1) Rs. 140 million (2) Rs. 130 million (3) Rs. 110 million (4) Rs. 80 million (5) None of these
Sol: Let the S.P of A and B ‘x’ and ‘y’ respectively.
Given that
0.2x = 0.3y
2x = 3y … (i)
Also,
0.15x – 0.15y = Rs. 6 million
x – y = Rs. 600 million … (ii)
Solving equation (i) and (ii), we get
y = Rs. 80 million.
Hence, the correct answer is option (4).
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