A number is increased by 5 and the result is 18. What is the number?
- AOption (a)
11
- BOption (b)
12
- COption (c)
13
- DOption (d)
14
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Correct answer
13
Why this answer is correct
Given:
The final result after the increase = 18
The value of increase = 5
Calculations:
Let the required number be x.
According to the algebraic condition:
⇒ x + 5 = 18
By transposing 5 to the right-hand side (RHS):
⇒ x = 18 − 5
⇒ x = 13
Hence, the correct answer is “Option 3”.










