Previous Year Questions

Q376 MCQ CUET-PG COMPUTER SCIENCE (MCA) Hard 4 Marks 2022

Discrete Mathematics → Functions

If a, b, c and d are the unit vectors such that (a x b) . (c x d) = 1 and a . c = 1/2, then

Choose One:

A) Only a, b, c are non-coplanar

B) Only a, b, d are non-coplanar

C) Both a, b, c and a, b, d are non-coplanar

D) Both a, b, c and a, b, d are coplanar

Q377 MCQ CUET-PG COMPUTER SCIENCE (MCA) Medium 4 Marks 2022

Discrete Mathematics → Functions

The function f(x) = [ln(1+ax) - ln(1-bx)]/x is not defined at x = 0. What value may be assigned to f at x = 0, so that it is continuous?

Choose One:

A) a+b

B) a-b

C) b-a

D) ln a + ln b

Q378 MCQ CUET-PG COMPUTER SCIENCE (MCA) Hard 4 Marks 2022

Discrete Mathematics → Functions

Match List I with List II: w != 1 is a cube root of unity. A. 1/9(1-w)(1-w^2)(1-w^4)(1-w^8) B. w(1+w-w^2)^7 C. Least positive integer n such that (1+w^2)^n = (1+w^4)^n D. (1+w+w^2)

Choose One:

A) A-II, B-III, C-I, D-IV

B) A-II, B-III, C-IV, D-I

C) A-III, B-II, C-IV, D-I

D) A-III, B-II, C-I, D-IV

Q379 MCQ CUET-PG COMPUTER SCIENCE (MCA) Medium 4 Marks 2022

Discrete Mathematics → Functions

Match List I with List II: A. log_4(log_3 81) B. 3^(4 log_9 7) = 7^k, then k = C. 2^(log_3 5) - 5^(log_3 2) D. log_2[log_2(256)]

Choose One:

A) A-I, B-III, C-II, D-IV

B) A-I, B-III, C-IV, D-II

C) A-III, B-IV, C-II, D-I

D) A-III, B-IV, C-I, D-II

Q380 MCQ CUET-PG COMPUTER SCIENCE (MCA) Medium 4 Marks 2022

Discrete Mathematics → Propositional logic

Given the following statement and five possible conclusions. All scientists working in America are talented. Some Indian scientists are working in America. A. None of Indian scientists are talented. B. Some talented Indian scientists have migrated to America. C. All talented scientists are Indians. D. Some Indian scientists are talented. E. Scientist working in India are not talented.

Choose One:

A) Conclusions A and D only are correct

B) Conclusions B and D only are correct

C) Conclusions A and E only are correct

D) Conclusions B and E only are correct

PYQBOOK

Filter Questions

If a, b, c and d are the unit vectors such that (a x b) . (c x d) = 1 and a . c = 1/2, then

Choose One:

The function f(x) = [ln(1+ax) - ln(1-bx)]/x is not defined at x = 0. What value may be assigned to f at x = 0, so that it is continuous?

Choose One:

Match List I with List II: w != 1 is a cube root of unity. A. 1/9(1-w)(1-w^2)(1-w^4)(1-w^8) B. w(1+w-w^2)^7 C. Least positive integer n such that (1+w^2)^n = (1+w^4)^n D. (1+w+w^2)

Choose One:

Match List I with List II: A. log_4(log_3 81) B. 3^(4 log_9 7) = 7^k, then k = C. 2^(log_3 5) - 5^(log_3 2) D. log_2[log_2(256)]

Choose One:

Choose One: