The sum of the three numbers is 124 If the ratio between the first and second be 2 3 and that of bet...........

Quantitative Aptitude (CDS) Ratio, Proportion

The sum of the three numbers is 124. If the ratio between the first and second be 2:3 and that of between the second and third be 7:9, then the third number is?

छोटे Courses बड़े Results

Master Ratio, Proportion

Prepare through Micro-courses

Try Now

Explanation:

Let first and the second number is 2x and 3x
the second and third number is 7y,9y
3x=7y
x/y=7/3
y=3x/7
third number in x form is 9y=27x/7
sum of three number is 2x+3x+27x/7=124
14x+21x+27x=124×7
62x=124×7
X=14
third number is 54