1
Question
What will be the missing number in the circle?
- 21
- 21
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Solution
The correct option is A 21
In factor tree, a number is broken down into it's factors.
So the missing number is such that 3 and 7 form a factor pair for that number.
The missing number = 3 x 7 = 21
In factor tree, a number is broken down into it's factors.
So the missing number is such that 3 and 7 form a factor pair for that number.
The missing number = 3 x 7 = 21
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