Which of the following are correct in respect of the system of equatio – McqOptions

MCQOPTIONS

1.	Which of the following are correct in respect of the system of equation x + y + z = 8, x – y + 2z = 6 and 3x – y + 5z = k?1. They have no solution, if k = 152. They have infinitely many solutions, if k = 203. They have unique solution, if k = 25Select the correct answer using the code given below:
A.	1 and 2 only
B.	2 and 3 only
C.	1 and 3 only
D.	1, 2 and 3
Answer» B. 2 and 3 only

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