If a number is increased by 20, it becomes 45. Then, the number is ____

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Solution

The correct option is B 25
Let the number be x.
If it is increased by 20, it becomes (x+20).
So, the equation formed is x + 20 = 45
By transposing 20 to the RHS, we get,
$x = 45 - 20 \Rightarrow x = 25$
Hence, the required number is 25.

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Question 46

Fill in the blanks to make the statement true.

If a number is increased by 20, it becomes 45. Then, the number is .................

3

20

\frac{1}{8}

Frame an equation: - A number when increased by 21 becomes 45.

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