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Railways PYQCBT 1 2016

RRB NTPC · Question 85

The price ratio of a Samsung mobile and LG mobile is 10 : 7. If the price of Samsung mobile is Rs 3000 more than the price of LG mobile, then find the price of LG mobile. A. Rs. 7000 B. Rs. 9000 C. Rs. 10000 D. Rs. 8000

  1. D

  2. C

  3. A

  4. B

Show answer & explanation

Answer: (C) A

Explanation

The difference of 3 parts (10 − 7) = Rs 3000, so 1 part = Rs 1000 and the LG mobile costs 7 × 1000 = Rs 7000 (the Samsung costs Rs 10,000).