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Asked: 2022-07-17T13:13:58+05:30 In:

On buying a pen, the shopkeeper gives three refills free. On buying a pen and six refills, the shopkeeper gives additional four refills free. If the equivalent discount is the same in both cases, then how many refills will be equal in value to a pen?

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On buying a pen, the shopkeeper gives three refills free. On buying a pen and six refills, the shopkeeper gives additional four refills free. If the equivalent discount is the same in both cases, then how many refills will be equal in value to a pen?

Poll Results

2.33%(a) 15 ( 1 voter )
79.07%(b) 18 ( 34 voters )
11.63%(c) 20 ( 5 voters )
6.98%(d) 24 ( 3 voters )
Based On 43 Votes

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1 Answer

  1. Karandeep
    Beginner
    This answer was edited.

    Ist case: Buy a pen = 3 free refills
    2nd case: Buy a pen + 6 refills = 4 free refills

    The extra 6 refills bought in the 2nd case give 1 additional free refill.
    Therefore, the 1 extra free refill is worth 1/6 of what paid for.

    If the equivalent discount is the same in both cases
    3 free refills = 1/6 of the price of a pen,
    3 x 6 = the price of a pen.
    18 refills = the price of the pen

    Ans (b) 18.

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