Exams Questions and Answers

Q:

40% of 80?

A) 36	B) 32
C) 42	D) 44

Answer & Explanation Answer: B) 32

Explanation:

Here 40% of 80 is given as

$\frac{40}{100} x 80 = 8 x 4 = 32$

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Q:

What percent is 120 of 85 ?

A) 133.33 %	B) 141.17 %
C) 145.54 %	D) 139.29 %

Answer & Explanation Answer: B) 141.17 %

Explanation:

$\frac{P x 85}{100} = 120$

=> p = 12000/85 = 141.17 %

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Q:

Transformation of input into output is performed by

A) CPU	B) The input-output unit
C) Memory unit	D) Peripherals

Answer & Explanation Answer: A) CPU

Explanation:

We know that, in computers transformation of input into output is performed by the ALU unit i.e, the Arithematic and Logical unit that performs all the logical and arithmatical operations in the CPU - Central Processing Unit.

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Q:

If P is 140, which is 40% more than Q, then 3/25 of Q is

A) 9	B) 12
C) 18	D) 24

Answer & Explanation Answer: B) 12

Explanation:

From the given data,

P = 140

But it is given that,

40% of Q + Q = 140 = P

=> Q + [40Q/100] = 140

=> [100Q + 40Q]/100 = 140

=> 140Q = 140 x 100

=> Q = 100

Now,

3/25 of Q

= (3/25) x 100

= 3 x 4

= 12

Required 3/25 of Q = 12.

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Q:

Two candidates fought in a municipality election. One of them got 54% of the total votes pooled and won by 1080 votes. What was the total number of votes polled ?

A) 12000	B) 13500
C) 15400	D) 11000

Answer & Explanation Answer: B) 13500

Explanation:

Given in municipality election 54% votes have won by 1080

Let the total number of votes be x.

$\frac{54 x}{100} - \frac{46 x}{100} = 1080$

8x = 108000

x = 13,500

Therefore, total number of votes = 13,500.

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Q:

Symbolic logic was discovered by ___________

A) Herman Hollerith	B) Vonn Neumann
C) George Boole	D) Sun Microsystem

Answer & Explanation Answer: C) George Boole

Explanation:

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Q:

Online functional learning portals are accessed through the

A) Web portal	B) Interactive Multimedia Instruction
C) Instructor Facilitated New Equipment	D) All the above

Answer & Explanation Answer: A) Web portal

Explanation:

Online functional learning portals are accessed through the web portal.

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Q:

A store owner is packing books into larger boxes that measure 25 by 42 by 60 inches. If the measurement of each book is 7 by 6 by 5 inches, then how many books can be placed in the box ?

A) 175	B) 345
C) 265	D) 300

Answer & Explanation Answer: D) 300

Explanation:

Number of books that can be placed in the larger box is given by Volume of Box / Volume of book.
Now, n = 25 x 42 x 60 / 7 x 6 x 5
= 63000 / 210
= 300.
Therefore, 300 books can be in that box.

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