A certain sum of money was deposited in bank and it become two-fold in 10 years, what is the rate of simple interest?

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Solution

The correct option is B $10$ %
Let $P r i n c i p l e = P, A m o u n t = 2 P, S I = 2 P - P = P$
R = ?;
$T = 10$ year
$\frac{P \times R \times 10}{100}$ = P

$∵$ SI = $\frac{P R T}{100}$
$R = 10$ %

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A certain sum of money was deposited in bank and it become two-fold in 10 years, what is the rate of simple interest?

The correct option is B 10%Let Principle=P,Amount=2P,SI=2P−P=PR = ?; T=10 year P×R×10100 = P∵ SI = PRT100R=10 %

The correct option is B $10$ %
Let $P r i n c i p l e = P, A m o u n t = 2 P, S I = 2 P - P = P$
R = ?;
$T = 10$ year
$\frac{P \times R \times 10}{100}$ = P

$∵$ SI = $\frac{P R T}{100}$
$R = 10$ %