Question

In what time will 6800 amount to 7224 if simple interest is calculated at 10% per annum?

Answer 1

Answer:

Time (T) =53/85 years

Explanation:

Principal (P) = Rs 6800

Amount (A) = Rs 7224

Rate of interest (R) = 10%

Interest (I) = A-P

= Rs7224 - Rs6800

= Rs424

We know that,

(PTR)/100 = I

=> T = (I × 100)/PT

= ( 424 × 100 )/( 6800 × 10 )

= 424/680

= (106)/170

= 53/85 years

••••

Answer 2

Answer:

amount= 7224

principal =6880

SI amount - principal

R% =10 , %

now I =p(R/100) T

344=6880(10/100) T

344(100) = 6880 (10) (T)

therefore T= 344(100) /6880(10) =1/2 years 6 months