Questions and answers for exam Preparation

MCQs

Total Questions : 33 | Page 2 of 4 pages

Question 11. What is the chance that a leap year, selected at random, will contain 53 Saturdays?

Discuss Question

Answer: Option A. -> 2/7

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Question 12. Statement: You can always give me a ring whenever you need. Which one of the following is the best inference from the above statement?

Because I have a nice caller tune.
Because I have a better telephone facility.
Because a friend in need is a friend indeed.
Because you need not pay towards the telephone bills when you give me a ring.

Discuss Question

Answer: Option C. -> Because a friend in need is a friend indeed.

-NA-

Question 13. Choose the grammatically CORRECT sentence:

Two and two add four.
Two and two become four.
Two and two are four.
Two and two make four.

Discuss Question

Answer: Option D. -> Two and two make four.

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Question 14. The set of values of p for which the roots of the equation 3x2+2x+p(p“1) = 0 are of opposite sign is

("“âˆž, 0)
(0, 1)
(1, âˆž)
(0, âˆž)

Discuss Question

Answer: Option B. -> (0, 1)

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Question 15. Statement: There were different streams of freedom movements in colonial India carried out by the moderates, liberals, radicals, socialists, and so on. Which one of the following is the best inference from the above statement?

The emergence of nationalism in colonial India led to our Independence.
Nationalism in India emerged in the context of colonialism.
Nationalism in India is homogeneous.
Nationalism in India is heterogeneous.

Discuss Question

Answer: Option D. -> Nationalism in India is heterogeneous.

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Question 16. A car travels 8 km in the first quarter of an hour, 6 km in the second quarter and 16 km in the third
quarter. The average speed of the car in km per hour over the entire journey is

Discuss Question

Answer: Option C. -> 40

-NA-

Question 17. Find the sum to n terms of the series 10+84+ 734 + .....

[9(9n + 1)]/10 + 1
[9(9n - 1)]/8 + 1
[9(9n - 1)]/8 + n
[9(9n - 1)]/8 + n2

Discuss Question

Answer: Option D. -> [9(9n - 1)]/8 + n2

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Question 18. Which one of the following statements is NOT TRUE for a continuous time causal and stable LTI system?

All the poles of the system must lie on the left side of the jÏ‰ axis.
Zeros of the system can lie anywhere in the s-plane.
All the poles must lie within |s| = 1.
All the roots of the characteristic equation must be located on the left side of the jÏ‰ axis.

Discuss Question

Answer: Option C. -> All the poles must lie within |s| = 1.

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Question 19. The impulse response of a system is h(t) = t u(t) . For an input u(t -1) , the output is

t2/2 u(t)
t(t - 1)/2 u(t - 1)
(t - 1)2/2 u(t - 1)
(t2 - 1)/2 u(t - 1)

Discuss Question

Answer: Option C. -> (t - 1)2/2 u(t - 1)

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Question 20. When the Newton-Raphson method is applied to solve the equation f (x) = x3 + 2x -1= 0, the solution at the end of the first iteration with the initial guess value as x0 = 1.2 is