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Q:

What turns everything around without moving?

Answer

The Mirror can turn everything around without moving.

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2 1510
Q:

Find the odd man out of the series?

128, 32, 14, 2.66, 0.88

A) 32 B) 14
C) 2.66 D) 0.88
 
Answer & Explanation Answer: B) 14

Explanation:

Here the given series is 128, 32, 14, 2.66, 0.88

 

128 / 4 = 32

32 / 3 = 10.666

10.666 / 4 = 2.666

2.666 / 3 = 0.888

 

Hence, the odd man in the given number series is 14.

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Filed Under: Odd Man Out
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7 20471
Q:

Find the next number in the given sequence?

11, 17, 39, 85, ?

A) 133 B) 143
C) 153 D) 163
 
Answer & Explanation Answer: D) 163

Explanation:

Her the given number series is 11, 17, 39, 85, ?

 

 

1111 + 32 - 3 = 1717 + (52 - 3) = 3939 + (72 - 3) = 8585 + (92 - 3) = 163

 

Hence, the next number in the given sequence is 163.

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Filed Under: Number Series
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37 43320
Q:

Karthik is now 32 years old and his son is 7 years old. In how many years will Karthik be twice as old as the son?

A) 18 B) 25
C) 7 D) 15
 
Answer & Explanation Answer: A) 18

Explanation:

Given Karthik’s age = 32 years

Karthik’s son age = 7 years

Difference between their ages = K - S = 32 - 7 = 25 years ….(1)

Now, required K = 2S ……(2)

Put (2) in (1)

2S - S = 25

=> S = 25 years

Hence, at the age of 25 years of Karthik’s son, Karthik will be twice as his son’s age.

25 - 7 = 18 years

 

Therefore, after 18 years the father be twice as old as the son.

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Filed Under: Problems on Ages
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3 2020
Q:

A card is drawn from a pack of 52 cards. What is the probability that either card is black or a king? 

A) 15/52 B) 17/26
C) 13/17 D) 15/26
 
Answer & Explanation Answer: D) 15/26

Explanation:

Number of cards in a pack of cards = 52

Number of black cards = 26

Number of king cards = 4 (2 Red, 2 Black)

 

Required, the probability that if a card is drawn either card is black or a king = 

2652 + 452 = 3052 = 1526

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Filed Under: Permutations and Combinations
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10 1713
Q:

What is the role of NADP+ in photosynthesis?

Answer

NADP - Nicotinamide Adenine Dinucleotide Phosphate is one of the carrier molecules that transfers high-energy electrons from chlorophyll to other molecules.


NADP+ is the molecule that accepts the electrons given by water. Its reduction by the protein FNR (Ferredoxin NADP+ reductase) gives NADPH,H+.


 


NADPH,H+ can be used in the Calvin Cycle to reduce 1,3-Biphosphoglycerate (1,3-BPG) into Glyceraldehyde-3-phosphate (G3P), a monosaccharide. It becomes NADP+ again and the cycle keeps repeating as long as the chloroplast receives sufficient and appropriate light.

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1 1140
Q:

Which half reaction correctly represents reduction?

A) Fe2+ + e- ---> Fe3+ B) Au3+ + 3e– ---> Au
C) Ag ---> Ag+ + e- D) All of the above
 
Answer & Explanation Answer: B) Au3+ + 3e– ---> Au

Explanation:

A half reaction is either the oxidation or reduction reaction component of a redox reaction. A half reaction is obtained by considering the change in oxidation states of individual substances involved in the redox reaction.

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Filed Under: Chemistry
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0 3167
Q:

What stage occurs after cytokinesis?

A) S - phase B) G1 phase
C) G2 phase D) All of the above
 
Answer & Explanation Answer: B) G1 phase

Explanation:

It is the Interphase, which occurs after cytokinesis. And in interphase we have 3 stages likely G1, G2 and S phase. After cytokinesis we get G1 phase.

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Filed Under: General Science
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5 1243