Verified by Ajay Kumar
At 5% per annum simple interest, the simple interest earned by A on his investment for 4 years equals the simple interest earned by B on his investment for 6 years. If B invested ₹12,000 less than A, what was A's investment (principal)?
₹24,000
₹30,000
₹36,000
₹48,000
Answer: C
Equal simple interest gives 4A=6B, so A=1.5B. Also A-B=12000. Thus 0.5B=12000, B=24000 and A=36000.
A और B दोनों 5% वार्षिक साधारण ब्याज पर निवेश करते हैं। A को 4 वर्षों में मिला साधारण ब्याज, B को 6 वर्षों में मिले ब्याज के बराबर है। यदि B ने A से ₹12,000 कम निवेश किए, तो A का मूलधन कितना था?
₹24,000
₹30,000
₹36,000
₹48,000
उत्तर: C
समान साधारण ब्याज से 4A=6B, इसलिए A=1.5B। साथ ही A-B=12000। अतः 0.5B=12000, B=24000 और A=36000।
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