Question

in an examination, a student was asked to find 5/17 of a certain number. By mistake he found 17/5 of that number. If his answer was 264/119 more than the correct answer, then find the number.

Answer 1

Answer:

110/119

Step-by-step explanation:

Let the number be= x

So, given that 17/5 of x= 264/119+x

or 17x/5= 264+119x/119

or 17x×119/5=264+119x

or 2023x= 5(264+119x)

or 2023x= 1320+595x

or 2023x-595x= 1320

or 1428x= 1320

or x= 1320/1428

or x= 660/714

or x= 330/357

or x= 110/119

So, the number is 110/119

Hope this helps...

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Answer 2

Answer:

Let the required number be x.

So, as per the question, we have

4

3x

−

14

3x

=150

⇒

28

21x−6x

=150

⇒x=

15

150×28

=280

Thus, the given number is 280