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:

What is the Color of Rs.50 bank notes in Mahatma Gandhi (New) series introduced recently ?

A) Magenta	B) Stone Grey
C) Fluorescent Blue	D) Ray blue

Answer & Explanation Answer: C) Fluorescent Blue

Explanation:

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Q:

Who said that " Man is a political animal" ?

A) Aristotle	B) Karl Marx
C) Lenin	D) Plato

Answer & Explanation Answer: A) Aristotle

Explanation:

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Q:

There is a clock which shows false timing ie it shows 20 minutes less for each 1 hour. If the clock shows 12 noon now how many minutes will be lost when it shows 2 pm ?

A) 36 minutes	B) 48 minutes
C) 35 minutes	D) 60 minutes

Answer & Explanation Answer: D) 60 minutes

Explanation:

For 1 hour, 20 minutes is slower, then for
06 miuntes - 2 minutes is slower
30 minutes - 10 minutes
Actual time | false time
12 12
01 PM 12:40 PM (20 minutes slower)
02 PM 01:20 PM
03 PM 02:00 PM

So, when actual time is 3pm, the false time is 2 pm.
So, it loses 60 minutes when it shows 2 pm.

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Q:

Triple point of water corresponds to

A) 1 atm, 0°C	B) 1 atm, 0.01°C
C) 1 atm, 0 K	D) 4.58 Torr, 0.01°C

Answer & Explanation Answer: D) 4.58 Torr, 0.01°C

Explanation:

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Filed Under: Chemistry
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Q:

Find the logic and solve this mathematical puzzle?

solve_this_maths_puzzle1565956551.jpg image

A) 112	B) 72
C) 127	D) 144

Answer & Explanation Answer: D) 144

Explanation:

In the given puzzle, the logic is

2 + 3 = 10 => (2 + 3) * 2 = 10

6 + 3 = 54 => (6 + 3) * 6 = 54

8 + 3 = 88 => (8 + 3) * 8 = 88

Similarly,

9 + 7 => (9 + 7) * 9 = 16 x 9 = 144.

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Q:

To drop a column that is used as a foreign key, first:

A) drop the primary key.	B) drop the table containing the foreign key..
C) drop the foreign key constraint.	D) All of the above must be done.

Answer & Explanation Answer: C) drop the foreign key constraint.

Explanation:

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Q:

The Cholas were the only known rulers in the history of india to have undertaken successful overseas naval expeditions. Who of the following Chola rulers successfully invaded Laccadives, Maldives, Sri Lanka and Sumatra?

A) Parantaka - I	B) Rajaraja - I
C) Rajendra - I	D) Both (b) and (c)

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