A sum of ₹5,000 amounts to ₹7,200 in 8 years at a certain rate per cent p.a, interest compounded yearly. What will be the compound interest on a sum of ₹6,550 in 4 years at the same rate of interest?
Answer & explanation
Correct answer: option 2
Principal : Amount
\(\sqrt {5000 }\) : \(\sqrt {7200 }\)
\(\sqrt {25 }\) : \(\sqrt {36 }\)
5 : 6
ATQ,
5R = 6550
1R = Rs.1310