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Q:

Which compound matches the IR Spectrum?

 

spectr1525848245.jpg image

A) 1, 5 – hexadiene B) 3 – Hexanol
C) Trans – 4 – octene D) None of the above
 
Answer & Explanation Answer: A) 1, 5 – hexadiene

Explanation:

3 – Hexanol:


image

There is no alcohol stretch present in the spectrum. Therefore, the above structure is not suitable for the given spectrum.

 

Trans – 4 – octene:


image

There is no vinyl bending present in the spectrum. Therefore, the above structure is not suitable for the given spectrum.


1, 5 – hexadiene:


image

The vinyl bending and other stretches were matched with the above structure.

 

 

Hence, the c = c stretch, vinyl bending and image stretch were matched with the above structure.

Therefore, the given spectrum belongs to 1, 5 – hexadiene.

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Q:

18 tens 20 ones =

A) 1820 B) 180
C) 200 D) 160
 
Answer & Explanation Answer: C) 200

Explanation:

18 tens 20 ones, the given stateent can be split into

18 tens = 18 x 10 = 180

20 ones = 20 x 1 = 20

 

Then add both => 180 + 20 = 200

 

Hence, 18 tens 20 ones = 200.

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Q:

Solve the Puzzle?

mathpuzzle1525339524.jpg image

Answer

From the assumption and trial and error method,


last three digits sum must leave the same digit as the answer. It is possible only if the answer must be units digit number leaving tens digit as carry.


And the possible 3rd digit is 5. Since 5 + 5 + 5 = 15 


Now, 2nd step is  1 + x + x + x = 5


=> 3x = 4


It is possible with x = 8. 8 + 8 + 8 + 1 = 25 leaving 2 as carry. 


Now, 3rd step is 2 + x + x + x = 5 => x = 1


 


Hence, the three dgits are 1, 8, 5.


185 + 185 + 185 = 555. 

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Q:

Which of the following vitamin helps in clotting of blood?

A) Vitamin K B) Vitamin D
C) Vitamin B1 D) Vitamin B2
 
Answer & Explanation Answer: A) Vitamin K

Explanation:

Vitamin K helps in clotting of blood. It is used by the body to help blood clot.

 

Warfarin (Coumadin) is used to slow blood clotting. By helping the blood clot, vitamin K might decrease the effectiveness of warfarin (Coumadin).

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Q:

A pulse can be detected most easily in

A) a vein B) a lacteal
C) an artery D) a capillary
 
Answer & Explanation Answer: C) an artery

Explanation:

A pulse can be detected most easily in Arteries as they are under much greater pressure than veins because they are carrying blood away from the heart which is the pumping machine to force blood to move to all of the body.

 

Every time the hear contracts, it can be felt in an artery where a surge of blood has just been forced.

 

A capillary is too small to feel a pulse and a lacteal is part of the lymphatic system found in the small intestine.

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Q:

Dry ice is an example of which process

A) Condensation B) Evaporation
C) Sublimation D) Freezing
 
Answer & Explanation Answer: C) Sublimation

Explanation:

Sublimation is a process when a solid changes directly into gas instead changing into liquid first. Dry ice is an example of Sublimation process because it doesn't change into liquid CO2 and directly change into gaseous CO2 when heated.

 

Hence, Dry ice is an example of Sublimation process. 

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Q:

Simplify

39.96% of 649.85 ÷13.07 = 45.14 - ?

A) 25 B) 26
C) 27 D) 28
 
Answer & Explanation Answer: A) 25

Explanation:

This can be easily simplified by Approximation process

Given 39.96% of 649.85 ÷13.07 = 45.14 - ? can be written as 

40% of 650 ÷13 = 45 - ?

 

40 x 65010013 = 45 - ?? = 45 - 20? = 25.

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Q:

A hybrid of a donkey and a horse

A) Panthera and Mule B) Mules and Hinnys
C) Liger and Hinnys D) Wholphin and Mule
 
Answer & Explanation Answer: B) Mules and Hinnys

Explanation:

Donkeys and horses can be breed to make mules and hinnys.

A hinny is a domestic equine hybrid that is the offspring of a male horse, a stallion, and a female donkey, a jenny. It is the reciprocal cross to the more common mule, which is the product of a male donkey, a jack, and a female horse, a mare.

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