Three numbers are in 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
Answer: Option C
Solution(By Examveda Team)
Let the numbers be 3x, 4x and 6xThen,
$$\eqalign{ & \Leftrightarrow 3x \times 4x \times 6x = 1944 \cr & \Leftrightarrow 72{x^3} = 1944 \cr & \Leftrightarrow {x^3} = 27 \cr & \Leftrightarrow x = 3 \cr} $$
∴ Largest number = 6x = 18
Related Questions on Problems on Numbers
If one-third of one-fourth of a number is 15, then three-tenth of that number is:
A. 35
B. 36
C. 45
D. 54
E. None of these
A. 9
B. 11
C. 13
D. 15
E. None of these
A. 3
B. 4
C. 9
D. Cannot be determined
E. None of these
Join The Discussion