Answer:
Option B
Explanation:
Principal, $P$ = ?
Rate of interest, $R$ $=10\%$
Time, $T$ $=6$ years
Accumulated Amount, $A$ = Rs. $20800$/-
$A=P+I$
$A$ $=P+\frac{PTR}{100}$
$A$ $= P\left(1+\frac{TR}{100}\right)$
Rs. $20800$/- $=P\left[1+ 6\times\frac{10}{100}\right]$
Rs. $20800$/- $=P\left[\frac{1}{1} +\frac{6}{10}\right]$
Rs. $20800$/- $=P\left[10+\frac{6}{10}\right]$ $=P\left[\frac{16}{10}\right]$
Rs. $20800$/- $=P\times\frac{16}{10}$
$\Rightarrow P$ = Rs. $\frac{208000}{16}$
$\Rightarrow P$ = Rs.13000/-
