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A person borrowed Rs.1,200 at 8% p.a. an...

A person borrowed Rs.1,200 at 8% p.a. and Rs 1,800 at 10% p.a. as simple interest for the same period. He had to pay Rs1,380 in all as interest. Find the time period.
एक व्यक्ति ने साधारण ब्याज की दर 8% प्रति वर्ष पर ₹ 1,200 उधार लिया और उसी अवधि के लिए 10% प्रति वर्ष पर ₹ 1,800 उधार लिया। उसे ब्याज के रूप में कुल ₹ 1,380 का भुगतान करना था। समय अवधि ज्ञात कीजिए।

A

4 years/ वर्ष

B

10 years/ वर्ष

C

6 years/ वर्ष

D

5 years/ वर्ष

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