Three numbers are in the ratio. $$\frac{1}{2}:\frac{2}{3}:\frac{3}{4}.$$ If the difference between the greatest number and the smallest number is 33, the HCF of the three numbers is:
A. 5
B. 9
C. 11
D. 13
Answer: Option C
Solution(By Examveda Team)
Three numbers $$ = \left( {\frac{1}{2}:\frac{2}{3}:\frac{3}{4}} \right) \times 12$$I : II : III = 6 : 8 : 9
Difference between largest and smallest number is 33
9x - 6x = 33
3x = 33
x = 11
I : II : III = 6 × 11 : 8 × 11 : 9 × 11 = 66 : 88 : 99
HCF of three numbers [66, 88, 99] = 11
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