Question : The average of 15 numbers is 45. One more number is added, and the new average becomes 50. What is that new number?
Option 1: 125
Option 2: 118
Option 3: 105
Option 4: 115
Answer (1)
25th Jan, 2024
Correct Answer: 125
Solution :
The average of 15 numbers = 45
Sum of 15 numbers = 15 × 45 = 675
The average of 16 numbers = 50
Sum of 16 numbers = 16 × 50 = 800
The new number = 800 – 675 = 125
Hence, the correct answer is 125.
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