The compound interest on 10000 at 8% per annum for 6 months compounded quarterly is

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Sum

Find the compound interest on Rs.10000 for 2 years at 8% per annum compounded half-yearly.

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Solution

Principal P = ₹ 10,000

Rate of interest R = 8% p.a. compounded half-yearly

Duration T = 2 years

A = P`(1 + (("R"/2))/100)^"2T"`

= `10000(1 + (8/2)/100)^4`

= `10000(1 + 4/100)^4`

= 10000(1.04)4

= 11698.58

I = A – P

= 11648.58 – 10000

= 1698.58

∴ Compound interest is  ₹ 1698.58.

Concept: Simple and Compound Interest (Entrance Exam)

  Is there an error in this question or solution?

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Chapter 9: Commercial Mathematics - Exercise 9.3 [Page 130]

Q 5Q 4Q 6

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Balbharati Mathematics and Statistics 2 (Commerce) 11th Standard HSC Maharashtra State Board

Chapter 9 Commercial Mathematics
Exercise 9.3 | Q 5 | Page 130

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Find the total amount for a period of 6 months on the principal amount of Rs. 10,000 at 12% p.a. compounded quarterly.

  1. Rs. 14,652 
  2. Rs. 10,609 
  3. Rs. 12,365
  4. Rs. 11,360 

Answer (Detailed Solution Below)

Option 2 : Rs. 10,609 

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Given:

Time = 6 months 

Principal = Rs. 10,000

Rate of Interest = 12% p.a. compounded quarterly.

Formula Used:

A = P{1 + (R/100)}n

where,

A = Amount, 

P = Principal,

R = Rate of Interest

n = Number of times compounding is done

Calculation:

According to the question,

Effective rate of interest = R/4 = 12/4 = 3%      ----(Because interest is compounded quarterly)

and n = 6/3 = 2 quarters      ----(Because interest is compounded quarterly)

Now,

A = P{1 + (R/100)}n

⇒ 10,000 × {1 + (3/100)}2

⇒ 10,000 × (103/100) × (103/100)

⇒ Rs. 10,609

∴ The total amount is Rs. 10,609.

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Solution

Principle=10000 time = 9 months=3 quarters Rate = 20% per annum = 5% per quarter => Amount = Rs. [10000*(1+5/100)^3)] =Rs.10000 * 21/20 * 21/20 * 21/20 = Rs. 11576.25 Compound interest=11576.25-10000 =1576.25

Solve

Textbooks

Question Papers

What is compounded every 6 months?

If an account earns interest compounded every six months, the periodic interest rate per each six-month period is i = 12%/2 = 6%. If the account earns interest compounded quarterly, or four times a year, the periodic interest rate is i = 12%/4 = 3%.

What is the amount for Rs 10000 by compound interest at 8% rate for 2 years?

This is an Expert-Verified Answer What is the amount for Rs. 10000 by compound interest at 8% rate for 2 years, when compounded annually? The amount is ₹ 11664.

How do you calculate compound interest compounded quarterly?

Cq = P [ (1+r)4*n – 1 ].
Cq is the quarterly compounded interest..
P would be the principal amount..
r is the quarterly compounded rate of interest..
n is the number of periods..

What is 5% compounded quarterly?

For example, 5% interest with quarterly compounding has an effective annual yield of (1 + . 05/4)^4 - 1 = . 0509 or 5.09%.