Find the amount after 3 years if the rate of interest is 15% per annum and principal is Rs. 24,000.

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RRB NTPC Exam 27 Jan 2021 click here to view all questions

Find the amount after 3 years if the rate of interest is 15% per annum and principal is Rs. 24,000.

ARs. 30,900

BRs. 32,700

CRs. 36,500

DRs. 34,800

Akhilesh ? Mar 31 '25 at 22:43

correct answer is: Rs. 34,800
Explanation: To find the amount after 3 years with a principal of Rs. 24,000 and an annual interest rate of 15%, we can use the simple interest formula: $$A = P + PRT$$ Where:
- $P = 24,000$ (principal amount)
- $R = 15\% = 0.15$ (annual interest rate)
- $T = 3$ years Plugging in the values: $$A = 24,000 + (24,000 \times 0.15 \times 3)$$ $$A = 24,000 + 10,800$$ $$A = 34,800$$ Thus, the amount after 3 years is Rs. 34,800.

• OPTION a (Rs. 30,900): Too low; doesn't match the calculated amount.
• OPTION b (Rs. 32,700): Still too low; doesn't match the calculated amount.
• OPTION c (Rs. 36,500): Too high; likely assumes compound interest, which wasn't specified.
• OPTION d (Rs. 34,800): Correct; matches the calculated amount using simple interest.

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If principal amount of Rs. 400 is invested, it gives Rs. 408 at the end of a year, if compound interest is calculated annually. Find the rate of interest.

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KPTCL Assistant Exam (Mescom) SLOT-1 7-MAY­-2017 click here to view all questions

If principal amount of Rs. 400 is invested, it gives Rs. 408 at the end of a year, if compound interest is calculated annually. Find the rate of interest.

A3

B2

C1

D5

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A builder borrows Rs.2550 to be paid back with compound interest at the rate of4% per annum by the end of 2 yr in two equal yearly installments. How muchwill each installment be?

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RRB GG Exam (Bhopal) 2009 click here to view all questions

A builder borrows Rs.2550 to be paid back with compound interest at the rate of 4% per annum by the end of 2 yr in two equal yearly installments. How much will each installment be?

ARs.1352

BRs.1377

CRs.1275

DRs.1283

prakash ? Dec 23 '2019 at 10:32

Correct answer is: Rs.1352

Explanation:

Amount = Rs 2550

Rate = 4% per annum

Time = 2 years

Applying the formula

$P= \frac{X}{\Big(1+\frac{r}{100}\Big)^n}+ …………………….\frac{X}{\Big(1+\frac{r}{100}\Big)}$

Here we have two equal installments, so

$P= \frac{X}{\Big(1+\frac{r}{100}\Big)^2} + \frac{X}{\Big(1+\frac{r}{100}\Big)}$

$\implies 2550= \frac{X}{\Big(1+\frac{4}{100}\Big)^2} + \frac{X}{\Big(1+\frac{4}{100}\Big)}$

$\implies X = \text{ Rs 1352}$

 

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What will be the difference between SI and CI on a sum of Rs.15,000 for twoyears at the same rate of interest of 121−2% per annum?

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RRB TC CC Exam (Mumbai) 2006 click here to view all questions

What will be the difference between SI and CI on a sum of Rs.15,000 for twoyears at the same rate of interest of 121−2% per annum?

ARs.234.375

BRs.230.550

CRs.250.129

DRs.324.357

Akilesh Kharvi ? Nov 6 '2016 at 19:10

Answer is Rs.234.375

 

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If CP is Rs.2,516 and SP is Rs.2,272, then percentage loss is

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RRB TC CC Exam (Mumbai) 2006 click here to view all questions

If CP is Rs.2,516 and SP is Rs.2,272, then percentage loss is

A0.0871

B0.0743

C0.0969

D0.1028

Akilesh Kharvi ? Nov 6 '2016 at 11:44

Answer is : 0.0969

Loss = Rs (2516-2272)
Loss = Rs. 244
so, Percentage of loss is
=$244\over2516$ => 0.0969

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