M

Mr. Dubey • 52.30K Points
Coach 

Q. Let f : X →Y and g : Y → Z. Let h = go f : X → Z. Suppose g is one-to-one and onto. Which of the following is FALSE?

(A) If f is one-to-one then h is one-to- one and onto.
(B) If f is not onto then h is not onto.
(C) If f is not one-to- one then h is not one-to-one.
(D) If f is one-to-one then h is one-to- one.
Correct : Option (A)

Share

Discusssion

Login to discuss.

Be the first to start discuss.

Related MCQs

Q. Which of the following methods can not achieve zero training error on any linearly separable dataset?

Q. Brain of computer is

Q. Every file in unix has …..

Q. Which of the following is an example of election algorithm.

Q. Which of the following monitors the performance of the major cloud-based services in real time in Cloud Commons?

Q. The effective address of the instruction written in Post-indexed mode, MOVE[Rn]+Rm is

Q. Step size in self-adaptive EP :

Q. What is a semaphore?

Q. What is the popular method of organizing wireless network topologies?

Q. How many layers are present in the Internet protocol stack (TCP/IP model)?