Question discussion

In 4 years at simple interest the principal increases by 32%. What will be the compound interest earned (in Rs.) on Rs. 24,000 in 3 years a…

136603Medium 2 replies 1,791 views
32
In 4 years at simple interest the principal increases by 32%. What will be the compound interest earned (in Rs.) on Rs. 24,000 in 3 years at the same rate?
  • A5233
  • B6332
  • C5332
  • D6233
Answer not set
0
CCommunity
Let the rate be r% and principle be p

According to the problem statement, since principle increases by 32% means interest is 0.32p

⇒ 0.32p = (p × r × 4)/100

⇒ r = 8%

Now CI can be given as

⇒ CI = 24000{(1 + 8/100)3 – 1}

⇒ CI = 24000 × 0.2597

⇒ CI = 6233

∴ CI is Rs. 6233
0
CCommunity
Let the rate be r% and principle be p

According to the problem statement, since principle increases by 32% means interest is 0.32p

⇒ 0.32p = (p × r × 4)/100

⇒ r = 8%

Now CI can be given as

⇒ CI = 24000{(1 + 8/100)3 – 1}

⇒ CI = 24000 × 0.2597

⇒ CI = 6233

∴ CI is Rs. 6233