Answer :

Let the required number be x.

∴ Five times the number = 5x

Sum of the number and 4 = x + 4

∴ 3 times the sum of the number and four = 3(x + 4) = 3x + 3 × 4 = 3x + 12

Since, five times the number is equal to three times the sum of the number and 4

∴ 5x = 3x + 12

⇒ 5x-3x = 12

⇒ 2x = 12

⇒

⇒x = 6

Hence, the required number = 6

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<span lang="EN-USKerala Board Mathematics Part I

<span lang="EN-USKerala Board Mathematics Part I

<span lang="EN-USKerala Board Mathematics Part I

<span lang="EN-USKerala Board Mathematics Part I

<span lang="EN-USKerala Board Mathematics Part I

A square ofKerala Board Mathematics Part I

<span lang="EN-USKerala Board Mathematics Part I

<span lang="EN-USKerala Board Mathematics Part I

<span lang="EN-USKerala Board Mathematics Part I

<span lang="EN-USKerala Board Mathematics Part I