Exams Questions and Answers

Q:

How many chromosomes are in a human gamete?

A) 23	B) 46
C) 92	D) 102

Answer & Explanation Answer: A) 23

Explanation:

23 chromosomes are in a human gamete.

Human somatic cells have 46 chromosomes(23 pairs) but a gamete(germ cell) gets half the amount, i.e. 23 chromosomes, (one from each pair). There will be half the number of chromosomes an organism has in its somatic cells (all other body cells except gametes).

For example in humans, the somatic cells contain 46 chromosomes which are the diploid number (2n) and each sperm and egg has 23 chromosomes where one of them is the sex chromosome.

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Q:

Select a suitable figure from the four alternatives that would complete the figure matrix.

4_281484716123.png image

A) 3	B) 1
C) 2	D) 4

Answer & Explanation Answer: C) 2

Explanation:

The third figure in each row comprises of parts which are not common to the first two figures.

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Filed Under: Figure Matrix
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Q:

If a > b > 0, AB = a - b cm, BC = 2√ab cm, then ∠ABC is

A) 45°	B) 60
C) 90°	D) 120°

Answer & Explanation Answer: C) 90°

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
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Q:

A container contains 165 litres of milk. Some quantity of milk is taken out and half of that quantity of milk, water is added in the container. Now ratio of milk to water in the container becomes 5:3. What is the quantity of water added in it?

A) 40 litre	B) 45 litre
C) 60 litre	D) 30 litre

Answer & Explanation Answer: B) 45 litre

Explanation:

Let amount of milk removed = 2x litre
So, amount of water added = x litre
Now → (165 − 2x)/x = 5/3
x = 45 lit

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Q:

In a bag, there are 8 red, 7 blue and 6 green flowers. One of the flower is picked up randomly. What is the probability that it is neither red nor green ?

$A) \frac{1}{3}$

$B) \frac{8}{21}$

$C) \frac{6}{21}$

$D) \frac{20}{21}$

A) Option A	B) Option B
C) Option C	D) Option D

Answer & Explanation Answer: A) Option A

Explanation:

Total number of flowers = (8+7+6) = 21.

Let E = event that the flower drawn is neither red nor green.

= event taht the flower drawn is blue.

--> n(E)= 7

--> P(E)= $\frac{7}{21}$ = $\frac{1}{3}$

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Filed Under: Permutations and Combinations
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Q:

I come in different colors and shapes. Some parts of me are curvy, some are straight. You can put me anywhere you like, but there is only one right place for me. What am I?

Answer

A Jigsaw puzzle.

Workspace

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Subject: Logic Puzzles Exam Prep: AIEEE , Bank Exams , CAT
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Q:

Identify the sentence using active voice.

A) Naveen changed the car tire	B) That movie was seen by Sarala
C) The money was withdrawn by Rahul	D) None of the above

Answer & Explanation Answer: A) Naveen changed the car tire

Explanation:

Active voice is used when the subject performs the action stated by the verb.

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Q:

The ratio of present ages of Simi and Seema is 5 : 4. After 9 years the ratio of their ages will be 8 : 7. What is Simi's present age (in years)?

A) 12	B) 15
C) 24	D) 21

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