Question

If $x\times y=x+y+\sqrt{xy}$ , the value of 6$\times$24 is :

• A. 41
• B. 42
• C. 43
• D. 44
• E. 45

Answer 1

The correct option is B

42

$6\times 24=6+24\sqrt{6\times 24}=30+\sqrt{144}=30+12=42.$