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      Question

      'A' and 'B' started a business together by investing Rs.

      (2x + 2000) and Rs. (x + 3000). After 4 months, 'A' increased his investment by 50% while 'B' increased his investment by 50%. At the end of the year ratio of profit shares of 'A' and 'B' was 8:5 respectively. Find the value of 'x'.
      A 7000 Correct Answer Incorrect Answer
      B 2000 Correct Answer Incorrect Answer
      C 3000 Correct Answer Incorrect Answer
      D 4000 Correct Answer Incorrect Answer
      E 5000 Correct Answer Incorrect Answer

      Solution

      Ratio of profit share of 'A' and 'B' = {(2x + 2000) Γ— 4 + 8 Γ— 1.5 Γ— (2x + 2000)} : {(x + 3000) Γ— 4 + 1.5 Γ— 8 Γ— (x + 3000)} = (8x + 8000 + 24x + 24000) : (4x + 12000 + 12x + 36000) = (32x + 32000) : (16x + 48000) Therefore, {(32x + 32000) /(16x + 48000)} = 8/5 Or, 160x + 160000 = 128x + 384000 Or, 32x = 224000 Or, x = 7000

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