Question

If the simple interest for 6 years be equal to 30% of the principal, it will be equal to the principal after((यदि 6 वर्षो का साधारण मूलधन के 30 % के बराबर है, तब बियाज और मूलधन कितने समय बाद बराबर होंगे ))
A. 20years
B. 30years
C. 10years
D. 22years

Answer 1

(a) Let the principle =10P
interest=`10Pxx(30)/(100)=3P`
According to the question, Case(i)
`3P=(10PxxRxx6)/(100) Rightarrow=5%`
Case(ii)
Interest=Principle=10P
`10P=(10Pxx5xxt)/(100)` t=20years