alleryसाधारण ब्याज पर एक राशि 2 वर्षों में ₹7200 और 5 वर्षों में ₹8400 हो जाती है। मूलधन खोजें.
A₹6000
B₹7000
C₹6800
D₹6400
Answer & Solution
Correct answer: D. ₹6400
तीन साल कमाते हैं ₹1200, तो वार्षिक ब्याज है ₹400 और मूलधन है ₹7200 − ₹800 = ₹6400.
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