Question
1
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Find the rule from the table below:

A
Subtract 3

B
Subtract 2
The correct answer is "Subtract 3".
Please Note:
Subtraction is the operation that decreases a number by taking away from it.
Solution:
To find the correct rule, we consider the given table.
We observe that the given rule makes each number decrease. This implies subtraction.
We try subtracting 3 from each input number:
6  3 = 3
8  3 = 5
5  3 = 2
10  3 = 7
On subtracting 3 from the input numbers, we get the corresponding output numbers.
So, the rule is “subtract 3”.