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Q:

The present worth of Rs.1404 due in two equal half-yearly instalments at 8% per annum. Simple interest is:

A) 1320	B) 1300
C) 1325	D) 1200

Answer & Explanation Answer: C) 1325

Explanation:

Required Sum = PW of Rs.702 due 6 months hence + PW of Rs.702 due 1 year hence

= Rs.[ (100 x 702) / (100+(8 x 1/2)) ] + [ (100 x 702) / (100+(8 x 1)) ]

= Rs.1325

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Filed Under: True Discount

Q:

The difference between simple interest and compound on Rs. 1200 for one year at 10% per annum reckoned half-yearly is

A) Rs.2	B) Rs.3
C) Rs.4	D) Rs.5

Answer & Explanation Answer: B) Rs.3

Explanation:

S.I. = Rs.(1200*10*1)/100=rs.120

C.I. =rs[1200*(1+5/100)2-1200]=rs.123

Difference = Rs.(123-120) =Rs.3

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Filed Under: Compound Interest
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Job Role: Bank PO

Q:

If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 50, what is the compound interest on the same at the same rate and for the same time

A) Rs.51.25	B) Rs.61.25
C) Rs.51	D) Rs.42

Answer & Explanation Answer: A) Rs.51.25

Explanation:

Sum = Rs.(50*100)/2*5=Rs.500

Amount=Rs.[500*(1+5/100)2]

= Rs. 551.25

C.I = Rs.(551.25-500)= Rs.51.25

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Q:

A has to pay Rs.220 to B after 1yr. B asks A to pay Rs.110 in cash and defer the payment of Rs.110 for 2 yrs. A agrees to it. If the rate of interest be 10% per annum in this mode of payment:

A) A gains Rs.11	B) There is No gain or loss
C) A losses 7.43	D) A gains Rs. 7.34

Answer & Explanation Answer: D) A gains Rs. 7.34

Explanation:

A has to pay = Present worth of Rs220 due 1yr hence

= Rs.[(220 x 100)/100+(10 x 1)] = Rs.200

A actually pays = Rs.110+PW of Rs.110 due 2 yrs hence

= [110+(110 x 100)] / [100+(10 x 2)] = Rs.192.66

So, A gains Rs. (200-192.66) = Rs.7.34

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Q:

If Rs.20 is the True Discount on Rs260due after a certain time.What wil be true discount on the same sum due after half of the former time, the rate of interest being the same?

A) Rs.9.40	B) Rs.10.14
C) Rs.10.40	D) Rs.9.14

Answer & Explanation Answer: C) Rs.10.40

Explanation:

Simple Interest on Rs. (260-20) for a gven time= Rs.20

Simple Interest on Rs. (260-20) for a half time = Rs.10

True Discount on Rs.250 = Rs.10

True Discount on Rs.260 = Rs.[(10/250) x 260] = Rs. 10.40

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Q:

Simple interest on a certain sum of money for 3 years at 8% per annum is half the compound interest on Rs. 4000 for 2 years at 10% per annum. The sum placed on simple interest is:

A) Rs.1550	B) Rs.1650
C) Rs,1750	D) Rs.1850

Answer & Explanation Answer: C) Rs,1750

Explanation:

C.I.= Rs.[4000*(1+10/100)^2-4000]

=Rs.840

sum=Rs.(420 * 100)/3*8=Rs.1750

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Filed Under: Compound Interest
Exam Prep: Bank Exams
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Q:

The effective annual rate of interest corresponding to a nominal rate of 6% per annum payable half-yearly is

A) 6.06%	B) 6.07%
C) 6.08%	D) 6.09%

Answer & Explanation Answer: D) 6.09%

Explanation:

Amount of Rs. 100 for 1 year

when compounded half-yearly = Rs.[100*(1+3/100)^2]=Rs.106.09

Effective rate=(106.09-100)%=6.09%

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Q:

Albert invested an amount of Rs. 8000 in a fixed deposit scheme for 2 years at compound interest rate 5 p.c.p.a. How much amount will Albert get on maturity of the fixed deposit

A) Rs.8820	B) Rs.8620
C) Rs.8520	D) Rs.8320

Answer & Explanation Answer: A) Rs.8820

Explanation:

Amount = $R s . [8000 * {(1 + \frac{5}{100})}^{2}]$ =Rs.8820

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Filed Under: Compound Interest
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Job Role: Bank PO

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