Exams Questions and Answers

Q:

Population of a colony of mosquitoes is increasing by 20% per day. If the population on Monday was 3000, on which day of that week the population would be 5184 ?

A) Thursday	B) Friday
C) Tuesday	D) Monday

Answer & Explanation Answer: A) Thursday

Explanation:

Given monday population = 3000
Per day 20% increase in population.

Tuesday population = 3000 + 3000x20/100 = 3000 + 600 = 3600

Wednesday population =3600 + 3600x20/100 = 3600 + 720 = 4320

Thursday population = 4320 + 4320x20/100 = 4320 + 864 = 5184

So that day is Thursday.

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Filed Under: Percentage
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Q:

The non green heterotrophic plants of plant kingdom are

A) Algae	B) Fungi
C) Ferns	D) Both B & C

Answer & Explanation Answer: B) Fungi

Explanation:

The non green heterotrophic plants of plant kingdom are Fungi.

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Filed Under: General Science
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Q:

In computer network nodes are

A) the computer that terminates the data	B) the computer that originates the data
C) the computer that routes the data	D) all of the mentioned

Answer & Explanation Answer: D) all of the mentioned

Explanation:

In computer network nodes are

* the computer that terminates the data

* the computer that originates the data

* the computer that routes the data

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Q:

The Simple interest accrued on an amount of Rs. 2,500 at the end of six years is Rs.1875. What would be the simple interest accrued on an amount of Rs. 6875 at the same rate and Same period?

A) Rs. 4,556.5	B) Rs. 5,025.25
C) Rs.5,245.5	D) None of these

Answer & Explanation Answer: D) None of these

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
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22 6052

Q:

How much money would you need to deposit today at 9% annual interest compounded monthly to have $12000 in the account after 6 years?

A) 9007	B) 4007
C) 7007.08	D) 8oo7

Answer & Explanation Answer: C) 7007.08

Explanation:

FV=P(1+r/n)^nt

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

You deposit $300 in a savings account that pays 4% simple annual interest. Find your account balance after 9 months.

A) 309	B) 409
C) 609	D) 509

Answer & Explanation Answer: A) 309

Explanation:

A = P + Prt

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Filed Under: Compound Interest
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Q:

What is the rate of compound interest?
I. The principal was invested for 4 years.
II. The earned interest was Rs. 1491.

A) I alone sufficient while II alone not sufficient to answer	B) II alone sufficient while I alone not sufficient to answer
C) Either I or II alone sufficient to answer	D) Either I or II alone sufficient to answer

Answer & Explanation Answer: D) Either I or II alone sufficient to answer

Explanation:

Let Principal = Rs. P and Rate = R% p.a. Then,

Amount= $R s . [P {(1 + \frac{R}{100})}^{4}]$

C.I = $P [{(1 + \frac{R}{100})}^{4} - 1]$

$P [{(1 + \frac{R}{100})}^{4} - 1] = 1491$

Clearly, it does not give the answer

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Filed Under: Compound Interest
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Q:

What manages the resources on a network?

A) Operating system	B) Data management
C) Application software	D) Network software

Answer & Explanation Answer: A) Operating system

Explanation:

Operating system software is that manages resources on a network.

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Filed Under: Computer
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