Q:

In a 1:N relationship, the foreign key is placed in:

A) the parent table.	B) the child table.
C) either table without specifying parent and child tables.	D) either the parent table or the child table.

Answer & Explanation Answer: B) the child table.

Explanation:

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Filed Under: Database

0 4548

Q:

According to experts what percentage of trash is recyclable?

A) 16%	B) 36%
C) 72%	D) 90%

Answer & Explanation Answer: D) 90%

Explanation:

according_to_experts_what_percentage_of_trash_is_recyclable1556256889.jpg image

EPA - Environmental Protection Agency.

The EPA estimates that 85% - 90% of the waste is recyclable, but we only recycle about 30% - 40% of it.

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Filed Under: General Awareness
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5 4548

Q:

The headquarters of World Intellectual Property Organisation (WIPO) is located in

A) Paris	B) Madrid
C) New York	D) Geneva

Answer & Explanation Answer: D) Geneva

Explanation:

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Filed Under: World Organisations

8 4546

Q:

Find the Missing Number Puzzle for the Given

number011517998001.jpg image

A) 8	B) 16
C) 9	D) 12

Answer & Explanation Answer: C) 9

Explanation:

Given

6 = 3 => Number of letters in SIX = 3

12 = 6 => Number of letters in TWELVE = 6

14 = 8 => Number of letters in FOURTEEN = 8

Similarly,

22 = 9 => Number of letters in TWENTY TWO = 9

Therefore, 22 = 9.

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Filed Under: Number Puzzles
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18 4545

Q:

Which is the fastest running train on Indian railway

A) Mumbai - Goa super fast Express	B) New Delhi - Lucknow Shatabdi Express
C) New Delhi -Chandigarh Shatabdi Express	D) New Delhi - Mumbai Rajdhani Express

Answer & Explanation Answer: D) New Delhi - Mumbai Rajdhani Express

Explanation:

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Filed Under: Indian Economy

1 4545

Q:

Which layer 4 protocol is used for a Telnet connection?

A) UDP	B) IP
C) TCP	D) TCP/IP

Answer & Explanation Answer: C) TCP

Explanation:

Telnet uses TCP at layer 4. It uses IP at layer 3. We know that Telnet uses TCP/IP protocol, but in the question, it is asked specifically at layer 4 what is used in Telnet. So it is TCP at layer4 and IP at layer 3.

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Filed Under: Networking
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0 4542

Q:

Which is a pair of allotropes?

A) carbon-16 and carbon-12	B) diamond and graphite
C) carbon dioxide and graphite	D) diamond and carbon dioxide

Answer & Explanation Answer: B) diamond and graphite

Explanation:

Allotropes are the different physical forms of an element. Here in the given options, diamond and graphite are the pair of allotropes of carbon.

Some more examples are Molecular oxygen and ozone are pair of allotropes, Black and red phosphorous are also pairs of allotropes.

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Filed Under: Chemistry
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3 4539

Q:

Who invented logarithms?

A) Mandeleef	B) Shockley
C) Amundson	D) John Napier

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