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MCQ Profit and Loss for Competitive Exam – Quantitative Aptitude

Profit and Loss MCQ

1. A motor cyclist rides on a cylindrical wall of a velodrome (hollow metal cylinder kept with the axis vertical) of radius r rotating about its axis at the rate f rev /s. The least coefficient of friction necessary so that he does not step down is

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Question 1 of 10

2. 2

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Question 2 of 10

3. 2

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Question 3 of 10

4.
Directions: These questions consist of two statements each printed as assertion and reason. While answering these questions you are required to choose any one of the following responses.
(a)If both assertion and reason are true and the reason is the correct explanation of assertion.
(b)If both assertion and reason are true but reason is not the correct explanation of assertion.
(c)If assertion is true but reason is false.
(d)If both assertion and reason are false.
(e)If reason is true but assertion is false.
Hide DirectionsAssertion: If the speed of body is constant, the body cannot have a path other than a circular or straight line path.
Reason: It is not possible for a body to have a constant speed in an acceleration motion."

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Question 4 of 10

5. If a cyclist moving with a speed of 4.9 m/s on leveled road can take a sharp circular turn of radius 4 m, then the coefficient of friction between cycle tyre and road will be:

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Question 5 of 10

6. A stone tied to the end of spring of 80 cm long, is whirled in a horizontal circle with a constant speed. If the stone makes 25 revolutions in 14 s. Then, magnitude of acceleration of the same will be:

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Question 6 of 10

7.
Directions: Statement of assertion (A) is followed by a statement of reason (R).
(1) If both assertion and reason are true and the reason is the correct explanation of the assertion, then mark 1.
(2) If both assertion and reason are true but the reason is not the correct explanation of the assertion, then mark 2.
(3) If assertion is true statement but reason is false, then mark 3.
(4) If both assertion and reason are false statements then marl 4.
Hide DirectionsAssertion: The earth is slowing down and as a result the moon is coming nearer to it.
Reason: The angular momentum of the earth moon system is not conserved.

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Question 7 of 10

8. 2

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Question 8 of 10

9. A point on the rim of a wheel 4m in diameter has a velocity of 1600 cm s-1. The angular velocity of the wheel is

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Question 9 of 10

10. A particle moves with uniform speed in a circular path the angle between instantaneous velocity and acceleration is

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Question 10 of 10


 

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