Question

5 Subtract from one third of a number given 12. find the given number.​

Answer 1

Answer:

Let x be the number

Therefore, one=third of the number is

3

x

On subtraction of 1, we get

3

x

−1

⇒

3

x

−1=1

⇒

3

x

=2

⇒ x=2×3

⇒ x=6

Therefore, the required numbers is 6

Answer 2

Let's assume the require number as x

One-Third of the number

= 1 / 3 × x = x / 3

According to Question,

x / 3 - 5 = 12

⇒ (x - 15) / 3 = 12

⇒ x - 15 = 12 × 3

⇒ x - 15 = 36

⇒ x = 36 + 15

⇒ x = 51

As, the required number is x

Hence, the required number is 51

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