Out of Rs. 75000 a lady lends Rs. 15000 at \(7\frac{1}{2}\% \) per annum simple interest and Rs. 36000 at 8% per annum simple interest. She lends the remaining money at a certain rate of interest so that she gets total annual interest of Rs. 6885. The rate of interest per annum, at which the remaining money is lent, is?

7%
8%
10%
12%

LohaHridoy

6 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 4 : 12%

Simple Interest on Rs. 15000 = (15000 × 7.5 × 1)/100 = Rs. 1125

Simple Interest on Rs. 36000 = (36000 × 8 × 1)/100 = Rs. 2880

Remaining amount = 75000 – 15000 – 36000 = Rs. 24000

Interest on remaining amount = 6885 – 1125 – 2880 = Rs. 2880

⇒ 24000 × 1 × R/100 = 2880

⇒ R = (2880 × 100)/24000 = 12%

∴ R = 12%

6 views Answered 2022-09-04 04:29

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