Three numbers are in the ratio of 3 : 4: 6 and their product is 1944. The largest of these numbers is ---
A
18
B
12
C
6
D
none of these
Correct Answer: 18
"Say the numbers are 3x, 4x, and 6x .Product is multiplication so : 3x4x6x = 1944⇒72x3 = 1944⇒x3 = 27∴x = 3 So, the largest number = 6x = 6(3) = 18