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1. The average of three numbers is 7. If 2 of the numbers are zero, then what if the 3rd number?
- A. 15
- B. 15
- C. 15
- D. 15
Answer: Option D
Explanation:
given, average of 3 numbers is 7
and 2 of the numbers are zero
let the 3rd number is x
According to the question,
(x + 0 + 0)/3 = 7
or, x = 21
ans: 21
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