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Q.Suman, Shubham and Siya were partners in a firm sharing profits and losses in the ratio of 5 : 3 : 2. Shubham retired from the firm and Suman and Siya decided to continue the business. Their gaining ratio was 3 : 2. Calculate the new profit sharing ratio of Suman and Siya.

CBSECBSE Class XII Board 2022Subjective· 2mImportance★★★★★
✓ Free question

The new profit sharing ratio between Suman and Siya after Shubham's retirement is 17 : 8.

When a partner retires from a firm, their share of profit is acquired by the remaining partners. The ratio in which the remaining partners acquire the retiring partner's share is known as the Gaining Ratio. This gain is added to the old profit share of each continuing partner to arrive at their new profit sharing ratio.

The fundamental concept here is that the total profit share remains 1 (or 100%). When one partner leaves, their portion of the profit pool doesn't vanish; it's distributed among those who remain. The gaining ratio dictates how this distribution occurs. If the gaining ratio is not given, it is usually assumed to be the old profit sharing ratio among the continuing partners. However, in this question, the gaining ratio is explicitly provided, which simplifies the calculation.

Here's how we calculate the new profit sharing ratio:

Working Notes:

  1. Old Profit Sharing Ratio:

    • Suman : Shubham : Siya = 5 : 3 : 2
    • Total shares = 5+3+2=105 + 3 + 2 = 10
    • Suman's old share = 5/105/10
    • Shubham's old share = 3/103/10
    • Siya's old share = 2/102/10
  2. Retiring Partner's Share:

    • Shubham retires, and his share is 3/103/10.
  3. Gaining Ratio of Remaining Partners:

    • Suman : Siya = 3 : 2
    • Total gaining shares = 3+2=53 + 2 = 5
  4. Calculation of Gain by Each Remaining Partner:

    • Suman's gain = Shubham's share ×\times Suman's gaining ratio
      • Suman's gain = (3/10)×(3/5)=9/50(3/10) \times (3/5) = 9/50
    • Siya's gain = Shubham's share ×\times Siya's gaining ratio
      • Siya's gain = (3/10)×(2/5)=6/50(3/10) \times (2/5) = 6/50
  5. Calculation of New Profit Share for Each Remaining Partner:

    • New Share = Old Share + Gain
    • Suman's New Share:
      • Suman's old share = 5/105/10
      • To add fractions, we need a common denominator. 5/10=25/505/10 = 25/50.
      • Suman's new share = (25/50)+(9/50)=34/50(25/50) + (9/50) = 34/50
    • Siya's New Share:
      • Siya's old share = 2/102/10
      • To add fractions, we need a common denominator. 2/10=10/502/10 = 10/50.
      • Siya's new share = (10/50)+(6/50)=16/50(10/50) + (6/50) = 16/50
  6. New Profit Sharing Ratio:

    • Suman : Siya = 34/50:16/5034/50 : 16/50
    • This simplifies to 34:1634 : 16.
    • Dividing both sides by 2, we get 17 : 8.
✓Final answer

The new profit sharing ratio of Suman and Siya is 17 : 8.

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