Question

principal =₹7000,Interest=₹1400,Rate=10%p.a.​

Answer 1

➤ Given :-

Principle (P) :- ₹ 7000

Rate of interest (R) :- 10%

Interest (I) :- ₹ 1400

➤ To Find :-

Time given for the given sum..........

➤ Formula :-

$\bf \orange {\underline {\underline {SI \times 100 \div P \times R}}}$

➤ Solution :-

$\dashrightarrow \sf \frac{1400 \times 100}{700 \times 10}$

$\dashrightarrow \sf \frac{ \cancel{1400} \times 100}{ \cancel{700} \times 10} = \frac{14 \times 100}{7 \times 10}$

$\dashrightarrow \sf \cancel\frac{1400}{70} = \frac{20}{1} = 20$

$\Huge\therefore$The time taken is 20 years.