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Q:

A sum of Rs.1550 was lent partly at 8% p.a. simple interest. The total interest received after 3 years was Rs.300. The ratio of the money lent at 5% to that lent at 8% is :

A) 5:8	B) 6:7
C) 16:15	D) 17:18

Answer & Explanation Answer: C) 16:15

Explanation:

let the sum lent at 5% be Rs.x and that lent at 8% be Rs.(1550-x). then,

Interest on x at 5% for 3 years + interest on (1550-x) at 8% for 3 years = 300

$\frac{x * 5 * 3}{100} + \frac{(1500 - x) * 8 * 3}{100} = 300$

x=800

Required ratio = x : (1550-x) = 800 : (1550-800) = 800 : 750 = 16 : 15

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Filed Under: Simple Interest
Exam Prep: Bank Exams
Job Role: Bank PO

Q:

A man wants to sell his scooter .There are two offers one at Rs12000 cash and other at a credit of Rs12880 to be paid after 8 months ,money being at 18% per annum which is better offer?

A) Rs.12880	B) Rs.12000
C) Both are equally good	D) None of the above

Answer & Explanation Answer: B) Rs.12000

Explanation:

PW of Rs.12,880 due 8 months hence

= Rs. [12880 x 100] / [100+(18 x 8/12)] =Rs.11500

Clearly 12000 in cash is a better offer.

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Filed Under: True Discount

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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Filed Under: True Discount

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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Filed Under: True Discount

Q:

A trader owes a maerchant Rs10028 due 1yr hence The trader wants to settle the account after 3 months .If the rate of interest is 12%per annum How much cash should he pay?

A) Rs.9000	B) Rs.9002
C) Rs.9200	D) Rs.9120

Answer & Explanation Answer: C) Rs.9200

Explanation:

Required Money = P.W of Rs. 10028 due 9 months hence

= Rs.[10028 x 100] / [100+(12 x 9/12)] =Rs.9200

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Filed Under: True Discount

Q:

The True discount on Rs1760 due after a certain time at 12% per annum is Rs160. The time after which it is due is?

A) 15months	B) 5months
C) 12months	D) 10months

Answer & Explanation Answer: D) 10months

Explanation:

P.W = Rs. (1760 - 160) = Rs.1600

S.I on Rs.1600 at 12% is Rs. 160

Time = (100 x 160)/(1600 x 12) = 5/6 years = (5/6) x 12 months = 10 months

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Filed Under: True Discount

Q:

Go command is a signal to execute the entire batch of SQL statements after previous Go

A) TRUE

B) FALSE

Answer & Explanation Answer: A) TRUE

Explanation:

Workspace

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Subject: Oracle Certification
Job Role: Database Administration

Q:

There is 60% increase in an amount in 6 years at simple interest. What will be the compound interest of Rs. 12,000 after 3 years at the same rate

A) Rs.4972	B) Rs.3972
C) Rs.5972	D) Rs.2972

Answer & Explanation Answer: B) Rs.3972

Explanation:

Let P = Rs. 100. Then, S.I. Rs. 60 and T = 6 years.

R= $\frac{100 * 60}{100 * 6}$ =10% p.a

Now, P = Rs. 12000. T = 3 years and R = 10% p.a.

C.I= $R s . [12000 * {[1 + \frac{10}{100}]}^{3} - 1]$
=Rs.3972

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Filed Under: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO

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