A number when increased by 20%of it gives 72.what the square of the number
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Let's assume the number as x
According to Question,
20% of x = 72
⇒ 20 / 100 × x = 72
⇒ 1 / 5 × x = 72
⇒ x / 5 = 72
⇒ x = 72 × 5
⇒ x = 360
So, the number is 360.
Square of the number
= 360² = 129,600
Hence, the required number is 129,600.
Some things to know »
1 % = 1 / 100
"of" = multiplied by (×)
✪ Be Brainly ✪
According to Question,
20% of x = 72
⇒ 20 / 100 × x = 72
⇒ 1 / 5 × x = 72
⇒ x / 5 = 72
⇒ x = 72 × 5
⇒ x = 360
So, the number is 360.
Square of the number
= 360² = 129,600
Hence, the required number is 129,600.
Some things to know »
1 % = 1 / 100
"of" = multiplied by (×)
✪ Be Brainly ✪
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