Bank PO Questions


Q:

What is a product in a chemical reaction?

Answer

In chemistry, a product is a substance that is formed as the result of a chemical reaction. In a reaction, starting materials called reactants and the ending materials are called products.

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Subject: Chemistry Exam Prep: AIEEE , Bank Exams
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Q:

In a single throw with 2 dices, what is probability of neither getting an even number on one and nor a multiple of 3 on other?

A) 11/36 B) 25/36
C) 5/6 D) 1/6
 
Answer & Explanation Answer: B) 25/36

Explanation:

We first calculate the probability of getting an even number on one and a multiple of 3 on other,Here, n(s) = 6x6 = 36 and

E = (2,3) (2,6) (4,3) (4,6) (6,3) (6,6) (3,2) (3,4)(3,6) (6,2)(6,4)

n(E) = 11P(E) = 11/36Required probability = 1-11/36 = 25/36

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Filed Under: Probability
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Q:

After replacing an old member by a new member, it was found that the average age of five members of a club is the same as it was 3 years ago. The difference between the ages of the replaced and the new members?

A) 16 years B) 15 years
C) 14 years D) 13 years
 
Answer & Explanation Answer: B) 15 years

Explanation:

Let avg ages of 5 members at present is G

And age of new member is m and an older is n

Required = (5G + m - n)/5 = G - 3

m - n = 15 years

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Filed Under: Average
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Q:

Which elements are malleable and good conductors of electricity?

A) tin and silver B) iodine and silver
C) tin and xenon D) iodine and xenon
 
Answer & Explanation Answer: A) tin and silver

Explanation:

Tin and Silver are malleable and good conductors of electricity. The other combinations have a non metal in them which are bad conductors.

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Filed Under: Physics
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Q:

Which of the following statements best describes nutrient density?

A) Consume a variety of foods from MyPyramid's ±ve major food groups every day. B) Consume foods that have the most nutrition for their kcalories
C) Choose a number of diFerent foods within any given food group rather than the same old thing. D) All the above
 
Answer & Explanation Answer: B) Consume foods that have the most nutrition for their kcalories

Explanation:

Consume foods that have the most nutrition for their kcalories describes the Nutrient Density.

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Filed Under: Biology
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Q:

Crack the relationship puzzle?

blood_relation_puzzle1562232420.jpg image

A) Sister B) Mother
C) Grand Mother D) Sister-in-law
 
Answer & Explanation Answer: C) Grand Mother

Explanation:

From drawing the relationships given above,

Sana is Grand mother of Sony.

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Filed Under: Blood Relations
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Q:

Which describes the correct pairing of DNA bases?

A) guanine - cytosine B) adenine - cytosine
C) guanine - thymine D) thymine - cytosine
 
Answer & Explanation Answer: A) guanine - cytosine

Explanation:

The correct pairing of DNA bases among the given options is guanine - cytosine.

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Filed Under: Biology
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Q:

The term senescence is another name for

A) inward aging B) primary aging
C) secondary aging D) outward aging
 
Answer & Explanation Answer: B) primary aging

Explanation:
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Filed Under: English
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