A started a business by investing Rs. 1500 and after 8 months B joined the business by investing Rs. x. If the ratio of the profit obtained by A to B at the end of one year is 5: 2. Then find the amount invested by B.

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  1. Rs. 2400
  2. Rs. 1800
  3. Rs. 1600
  4. Rs. 2000
  5. Rs. 1400

Answer (Detailed Solution Below)

Option 2 : Rs. 1800
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Detailed Solution

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Given:

Investment amount of A = Rs. 1500

Investment period of A is 12 months investment period of B is 4 months 

Calculation:

Let x be the amount invested by B.

So,

(1500 × 12)/(x × 4) = 5/2

⇒ 2 × 1500 × 12 = 5 × x × 4

⇒ x = (2 × 1500 × 12)/20

⇒ x = Rs. 1800

∴ The correct answer is option (2).

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