Question : There are three numbers where the first number is twice the second, and the second is thrice the third number. If the average of the three numbers is 20, what is the sum of the largest and smallest numbers?
Option 1: 24
Option 2: 42
Option 3: 54
Option 4: 60
Answer (1)
21st Jan, 2024
Correct Answer: 42
Solution :
Let the third number be
According to the question,
The second number
So,
⇒
⇒
Therefore, the required sum
Hence, the correct answer is 42.
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