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Q306 MCQ CUET-PG COMPUTER SCIENCE (MCA) Medium 4 Marks 2023 Shift-1

Discrete Mathematics → Functions

Which of the following functions is differentiable at x = 0?

Choose One:

A) cos(|x|) + |x|

B) cos(|x|) - |x|

C) sin(|x|) + |x|

D) sin(|x|) - |x|

Correct Answer:
Explanation:

Q307 MCQ CUET-PG COMPUTER SCIENCE (MCA) Hard 4 Marks 2023 Shift-1

Discrete Mathematics → Functions

If f and g are differentiable functions in (0, 1) satisfying f(0)=2=g(1), g(0)=0 and f(1)=6, then for some c in (0, 1)

Choose One:

A) 2f'(c) = g'(c)

B) 2f'(c) = 3g'(c)

C) f'(c) = g'(c)

D) f'(c) = 2g'(c)

Correct Answer:
Explanation:

Q308 MCQ CUET-PG COMPUTER SCIENCE (MCA) Easy 4 Marks 2023 Shift-1

Discrete Mathematics → Propositional logic

Observe the following premises and select the correct conclusion: Major premise: All engineers are innovative. Minor premise: All students are engineers. Conclusions:

Choose One:

A) All innovative are students

B) All students are innovative

C) No innovative are students

D) No engineers are students

Correct Answer:
Explanation:

Q309 MCQ CUET-PG COMPUTER SCIENCE (MCA) Medium 4 Marks 2023 Shift-1

Discrete Mathematics → Combinatorics

If each of n numbers xi = i is replaced by (i+1)xi, then the new mean is

Choose One:

A) (n+1)(n+2) / n

B) n+1

C) (n+1)(n+2) / 3

D) (n+1)(5n+4) / 6

Correct Answer:
Explanation:

Q310 MCQ CUET-PG COMPUTER SCIENCE (MCA) Medium 4 Marks 2023 Shift-1

Discrete Mathematics → Combinatorics

If each observation of a Row data whose variance is sigma^2 is multiplied by h, then the variance of the new set is

Choose One:

A) sigma^2

B) h^2 sigma^2

C) h sigma^2

D) h + sigma^2

Correct Answer:
Explanation:

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