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Discussion Forum



1)

Three numbers are in the ratio of 3 : 4 : 6 and their product is 1944. The largest of these numbers is :


A) 6

B) 12

C) 18

D) None of these

E) 20

Answer:

Option C

Explanation:

Let the numbers be $3x$, $4x$ and $6x$.
Then, $3x \times 4x \times 6x = 1944$
$\Leftrightarrow x^{3}=27 \Leftrightarrow x = 3$
$\therefore$ Largest number $=6x=18$.