Question

Aman lends 50% of his sum of money at 17% per annum, 40% of rest at 12% per annum and the rest at 15% per annum rate of interest. What would be the annual rate of interest, if the interest is calculated on the whole sum?

Q: Answer-Aman lends 50% of his sum of money at 17% per annum, 40% of rest at 12% per annum and the rest at 15...

Let the person have Rs. 100 Then SI for 1 year Rs. 50 17 1100 20 12 1100 30 15 1100 Rs. 8.5 2.4 4.5 Rs. 15.4 Rate of interest on whole sum 15.4

A 18.4%

B 12%

C 13%

D 15.4%

Practice Next

More Simple and compound interest Questions

A shopkeeper marked an article ‘A’ 60% above the cost price and sold it for Rs. 2016 after giving a certain discount while he sold an article &...
A person invested Rs. 75,000 at an annual compound interest rate of 12%, compounded annually for 12 months. How much more profit would he have earned if th...
Shivam invested 24000 at 8% p.a. simple interest for ‘x’ months. If at the end of ‘x’ months, he received a total amount of Rs.27200. What is the value of ...
Sohan borrowed Rs. 4200 at R% S.I. and Rs. 3800 at (R + 6)% S.I. for 5 years. The total simple interest paid was Rs. 4340. Find the rate charged on Rs. 380...
Raman deposited Rs. 16000 at a compound interest rate of 20% per annum, while he deposited Rs. 12000 at a simple interest rate of 30% per annum. After two ...
Rs. 6,300 is invested in scheme ‘A’ offering simple interest of 12% p.a. and Rs. 3500 in scheme ‘B’ offering simple interest of 8% p.a. What is the differe...
A man deposited Rs. ‘x + 1200’ at 12% per annum simple interest and earned Rs. 528 as interest after 2 years. Find the interest earned by him if he deposit...
A man invested Rs. 5,000 at simple interest of 'x%' p.a. and received Rs. 12,000 after 2 years. If he had invested Rs. 25,000 at simple interest of 'x%' p....
In scheme A and B, Rs. ‘z’ and Rs. ‘(z+5000)’ were invested at the rate of (R-6)% and ‘R’% per annum on simple interest. After two years, the ratio between...
The simple interest on an amount of Rs. x at an annual rate of 4% for 3 years is Rs. 120 less than the simple interest on an amount of Rs. (x – 800) at an ...

Relevant for Exams:

Hey! Ask a query

Aman lends 50% of his sum of money at 17% per annum, 40% of rest at 12% per annum and the rest at 15% per annum rate of interest. What would be the annual rate of interest, if the interest is calculated on the whole sum?

Detailed Solution

More Simple and compound interest Questions

Relevant for Exams:

Hey! Ask a query

Please Register/Login