Haryana Police Constable Model Paper 7

Question : 30 of 101

Marks: +1, -0

If three-fourth of a number is more than one-fifth of the number by 11, then the number is:

Solution:

Three-fourth of a number is more than one-fifth of the number by

11

Let the number be '

\N

'
According to the question

⇒ (3/4 × \N) = (1/5 × \N) + 11

⇒ ({3\N}/4 - \N/5) = 11

⇒ (15\N - 4\N)/20 = 11

⇒ 11\N = 11 × 20

⇒ \N = 20

∴ The required number is $20.$

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