John sold a watch to Sue at a gain of 20%, and Sue sold it to Rima at a profit of 10%. If Rima paid Rs2,178 for it. how much did
John pay (in Rs) for the watch?
This questions was previously asked in
SSC MTS 20th October 2021 Shift-3
Explanation:
- Step 1: Determine Sue's cost price.
- Rima buys the watch for Rs 2,178 at a 10% profit for Sue.
- Let Sue’s cost price be x.
- x * 1.10 = 2,178, hence x = 2,178 / 1.10 = 1,980.
- Step 2: Determine John’s cost price.
- John sold to Sue at a 20% profit, so let John’s cost price be y.
- y * 1.20 = 1,980, hence y = 1,980 / 1.20 = Rs1,650.
- Correct Answer: Option 1 – 1,650.
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