Question

Find Interest, of Principle - 4.200 Time = 3Yys
and rate of interest = 7p.c.pa​

Answer 1

GivEn:

• Principal = 4200
• Time = 3 years
• Rate of interest = 7%

To find:

• Simple interest?

Solution:

☯ Let simple interest be S.I & Principal, Rate and Time be P, R and T.

Therefore, Using the formula,

• S.I = P × T × R/100

★ According to the Question:

Now, Putting the values given in the formula,

➯ 4200 × 7 × 3/100

➯ 42 × 7 × 3

➯ 42 × 21

➯ 882

➯ S.I = Rs 882

⠀⠀━━━━━━━━━━━━━━━━

Now, Let's find amount,

➯ A = P + S.I

➯ 4200 + 882

➯ A = Rs 5082

∴ Hence, Simple interest for 3 years is 882 rupees.

⠀⠀━━━━━━━━━━━━━━━━⠀

⠀⠀⠀⠀⠀★ More to know :

• S.I = P × T × R/100

• If t isn't in years convert months to fraction or decimal.

• Principal is the amount of money invested.

• Intrest is percentage.

• Time must be expressed same as rate percent.

• To find amount use the formula, A = P(1 + Rt)