A and B stats a business jointly. A invests Tk. 16000 for 8 months and B remains in the business for 4 months. Out of the total profit, B claims 2/7 of the profit. How much money was contributed by B?

A and B stats a business jointly. A invests Tk. 16000 for 8 months and B remains in the business for 4 months. Out of the total profit, B claims 2/7 of the profit. How much money was contributed by B? Correct Answer Tk. 12800

ধরি, B, x টাকা বিনিয়োগ করে ∴ B এর মাসিক সমতুল্য মূরধন 4x টাকা A " " " " (8×16000) " = 12800 আবার, ধরি মোট লাভ 7 টাকা ∴ B এর লাভ (7এর 27) " = 2 টাকা ∴ A র লাভ = (7 - 2) = 5 টাকা ∴ 12800:4x = 5:2 ⇒128004x = 52 ⇒4x×5 = 128000×2 ⇒x = 128000×220 ∴ x = 12800
Bissoy MCQ

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