Of three numbers, second is twice the first and is also thrice the third. If the average of the three numbers is 44, the largest number is:Options :243672108
Question
Of three numbers, the second is twice the first and is also thrice the third. If the average of the three numbers is 44, what is the largest number?
Options:
243672108
Solution
Let's denote the three numbers as x, y, and z.
From the problem, we know that:
- y = 2x (the second number is twice the first)
- y = 3z (the second number is also thrice the third)
From these two equations, we can deduce that 2x = 3z, or x = 1.5z.
The problem also tells us that the average of the three numbers is 44, so:
(x + y + z) / 3 = 44 x + y + z = 132
Substituting y = 2x and x = 1.5z into the equation, we get:
1.5z + 2(1.5z) + z = 132 4.5z = 132 z = 132 / 4.5 z = 29.33 (approximately)
Substituting z = 29.33 into y = 3z, we get:
y = 3 * 29.33 y = 88 (approximately)
So, the largest number is approximately 88. However, this is not one of the options given. It seems there might be a mistake in the problem or the options provided.
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