Exams Questions and Answers

Q:

Echolocation is an adaptation bats use to

A) locate flowering plants	B) hunt insects in flight
C) find warm places for hibernation	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

Echolocation is an adaptation bats use to hunt insects in flight, locate flowering plants and find warm places for hibernation.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

4 3339

Q:

Diagrammatic representation of data includes which of the following?

1) Bar diagram

2) Pie-diagram

3) Pictogram

Select the correct answer using the code given below:

A) 1 and 2 only	B) 2 and 3 only
C) 1 and 3 only	D) 1, 2 and 3

Answer & Explanation Answer: D) 1, 2 and 3

Explanation:

All three are types of data representation

Pictogram uses pictures so show different identities with different numbers

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Filed Under: Quantitative Aptitude - Data Interpretation
Exam Prep: Bank Exams

2 3339

Q:

The ratio of present ages of Rahul and his sister is 3 : 4. Before 10 years the ratio of their ages was 13:19. What is Rahul's present age (in years)?

A) 36	B) 48
C) 42	D) 54

Answer & Explanation Answer: A) 36

Explanation:

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

Hypnology is the study of

A) blood	B) nerves
C) sleep	D) disease

Answer & Explanation Answer: C) sleep

Explanation:

Hypnology is the study of sleep.

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Filed Under: General Science
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Q:

5% of 400000?

A) 4000	B) 16000
C) 8000	D) 20000

Answer & Explanation Answer: D) 20000

Explanation:

5% of 400000

= 5 x 400000/100

= 20,000

Hence, 5% of 4,00,000 = 20,000

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Filed Under: Percentage
Exam Prep: AIEEE , Bank Exams , CAT
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17 3338

Q:

The limbic system structure that regulates hunger is called the

A) Hypothalamus	B) Cerebellum
C) Pituitary gland	D) Cerebrum

Answer & Explanation Answer: A) Hypothalamus

Explanation:

the_limbic_system_structure_that_regulates_hunger_is_called_the1545974338.png image

The hypothalamus which is near the pituitary gland is a small region located at the base of the brain. The hypothalamus plays a crucial role in many important functions including releasing hormones, regulating body temperature, regulates hunger etc...

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

The velocity required to place a vehicle in orbit round the moon is _______ that required to place it in orbit round the earth

A) less than	B) Greater than
C) equal to	D) greater than or equal to

Answer & Explanation Answer: A) less than

Explanation:

This orbital velocity at the moon is less because orbital velocity = $\sqrt{r g}$

where 'r ' is the orbital radius. i.e the distance of the body from the center of the earth and 'g' is the acceleration due to gravity on the body in question. In the case of the moon, both r and g are less than in the case of the earth.

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Filed Under: Physics
Exam Prep: AIEEE , GATE

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Q:

Rizwan has a box in which he kept red and blue marbles. The red marbles and blue marbles were in the ratio 5 : 4. After he lost 5 red marbles the ratio became 10 : 9. How many marbles does he have now?

A) 81	B) 86
C) 76	D) 91

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