Of the four numbers the first is twice the second the second is one third of the third and the third...........

Quantitative Aptitude ( CCS) Average

Of the four numbers, the first is twice the second, the second is one-third of the third and the third is 5 times the fourth. The average of the numbers is 24.75. The largest of these numbers is:

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Explanation:

Let the fourth number be a
then hen, third number = 5a, second number= 5a/3 and first=10a/3
a+ 5a+ 5a/3 + 10/3 = 24.75 x 4
so,a=9
So, the numbers are 9, 45, 15 and 30