Question

find the principal amount (P) for the following cases.( a) r = 2.5 %, n = 2 years, I = 100. solution​

Answer 1

Answer:

p= I/ rn = 100× 100/ 2×2.5= 2000 tk

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Answer 2

Answer:

Given :-

• The rate of interest is 2.5%, time period is 2 years and the simple interest is Rs 100.

To Find :-

• What is the principal amount (P).

Formula Used :-

$\clubsuit$ Principal Formula :

$\bigstar \: \: \sf\boxed{\bold{\pink{P =\: \dfrac{S.I \times 100}{R \times n}}}}\: \: \: \bigstar$

where,

• P = Principal
• S.I = Simple Interest
• R = Rate of Interest
• n = Time Period

Solution :-

Given :

• Rate of Interest = 2.5%
• Time Period = 2 years
• Simple Interest = Rs 100

According to the question by using the formula we get,

$\implies \bf P =\: \dfrac{S.I \times 100}{R \times n}$

$\implies \sf P =\: \dfrac{100 \times 100}{2.5 \times 2}$

$\implies \sf P =\: \dfrac{\cancel{10000}}{\cancel{5}}$

$\implies \sf P =\: \dfrac{2000}{1}$

$\implies \sf\bold{\red{P =\: Rs\: 2000}}$

$\therefore$ The principal amount is Rs 2000 .