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Q:

80% of 900 + $16^{2}$ x 4 x ? = ${(11)}^{3} - 99$

A) 0.5	B) 1
C) 4	D) 0

Answer & Explanation Answer: A) 0.5

Explanation:

80x900/100 + 256 x 4 x ? = 1331 - 99

720 + 1024 x ? = 1232

? = 1232 - 720/1024

? = 512/1024 = 0.5

? = 0.5

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Filed Under: Percentage
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Q:

The highway transportation system is coordinated by

A) Department of Transportation	B) Your local police department
C) The Department of Education	D) The Internal Revenue Service

Answer & Explanation Answer: A) Department of Transportation

Explanation:

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Filed Under: General Awareness
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Q:

Which pair of atoms has the highest electronegativity difference?

(Calcium's electronegativity is 1.0

Fluorine's electronegativity is 4.0

Hydrogen's electronegativity is 2.2

Sodium's electronegativity is 0.93)

A) F-F	B) Ca-F
C) H-F	D) Na-F

Answer & Explanation Answer: D) Na-F

Explanation:

F-F = 4 - 4 = 0

Ca-F = 4 - 1 = 3.0

H-F = 4 - 2.2 = 1.8

Na-F = 4 - 0.93 = 3.07

Hence, the highest electronegativity difference is in Na-F.

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Filed Under: Chemistry
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Q:

What time will it be in 45 minutes?

Now, if the time is 4:48 pm.

Answer

As now, the time 4 : 48 pm after 45 min it will be

4:48 + 45 min = (4 hrs : 48 + 12 min) pm + 33 min = 5 hrs : 33 min pm.

Hence, it is 5:33 pm.

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Q:

How are ip addresses available to the internet classified?

A) Static	B) Public
C) Private	D) None of the above

Answer & Explanation Answer: B) Public

Explanation:

An IP address (internet protocol address) is a numerical representation that uniquely identifies a specific interface on the network. Addresses in IPv4 are 32-bits long. This allows for a maximum of 4,294,967,296 (2^32) unique addresses. Addresses in IPv6 are 128-bits, which allows for 3.4 x 1038 (2^128) unique addresses.

IP addresses available to the internet are classified as Public.

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Filed Under: Network Administration
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Q:

I am always infront of you, but you will never see me. Who am I?

A) Mirror	B) Shadow
C) Future	D) None of the above

Answer & Explanation Answer: C) Future

Explanation:

Yes, future is always infront of us, but no one can see it.

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Filed Under: Logic Puzzles
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Q:

Which of the following vitamins are water soluble?

A) Vitamins B & C	B) Vitamins K, D & C
C) Vitamins A, D & K	D) Vitamins A, K, B, C & D

Answer & Explanation Answer: A) Vitamins B & C

Explanation:

Vitamins are essential nutrients found in foods. They perform specific and vital functions in a variety of body systems, and are crucial for maintaining optimal health.

The two different types of vitamins are fat-soluble vitamins and water-soluble vitamins.

Fat-soluble vitamins :

Vitamins A, D, E and K — dissolve in fat before they are absorbed in the bloodstream to carry out their functions. Excesses of these vitamins are stored in the liver, and are not needed every day in the diet.

Water-soluble vitamins :

Vitamins dissolve in water and are not stored by the body. Since they are eliminated in urine, we require a continuous daily supply in our diet. The water-soluble vitamins include the vitamin B-complex group and vitamin C.

Water-soluble vitamins are easily destroyed or washed out during food storage or preparation.

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Filed Under: Chemistry
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Q:

The term aerotolerant anaerobe refers to an organism that

A) uses oxygen or grows without oxygen.	B) requires more oxygen than is present in air.
C) does not use oxygen but tolerates it.	D) requires less oxygen than is present in air.

Answer & Explanation Answer: C) does not use oxygen but tolerates it.

Explanation:

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Filed Under: Biology
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