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; Correct Option: 4 Best Solution (4)

Dr. Divya 3 years AGO

Let numbers be 3x,6x and 9x.
Average of 3 numbers = (3x+6x+9x)/3=18x/3=6x=66
x=11
Hence largest number is 9x=9*11=99

Like? Yes (1) | No

RAMADURAI NATESAN 3 years AGO

Let nos. be 3x,6x and 9x.
Avg. = 6x = 66, x = 11.
Largest no. = 9x = 99

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SAYAN CHATTERJEE 3 years AGO

6x= 66
x= 11
si, largest is 9x= 99.
Option 4.

Like? Yes (1) | No (1)

M4 Murali 3 years AGO

let num are 3x, 6x ,9x
avg ( 3x + 9x + 6x)/3 =66
x=11
so larger one 9x=99

Like? Yes (1) | No (1)

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

M4maths Previous Puzzles

17 Aug 2020 Numbers