Three numbers are in the ratio 3 : 6 : 9 and their average is 66. The largest number is :

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17 Aug 2020 Numbers

Three numbers are in the ratio 3 : 6 : 9 and their average is 66. The largest number is :

OPtion

1) 72
2) 81
3) 90
4) 99
5) 60
6) 66
7) 100
8) 110
9) 144
10) None of these

Solution

Let the numbers be 3x, 6x and 9x, Then, (3x + 6x + 9x ) / 3 = 66

=> 6x = 66

=> x = 11.

Largest = 11x = 11*9 = 99

Correct Option: 4 Best Solution (4)