Write the set $A = \{x : x i s a m o n t h o f t h e y e a r h a v i n g 31 d a y s\}$ in roster form.

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Solution

Given set $A = \{x : x i s a m o n t h o f t h e y e a r h a v i n g 31 d a y s\}$
Months in a year having $31$ days are : January, March, May, July, August, October, December .
Hence, set in roster form will be represented as $A = \{J a n u a r y, M a r c h, M a y, J u l y, A u g u s t, O c t o b e r, D e c e m b e r\}$

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Similar questions

(a) Write the set in Roster method. X = {months in a year}

(b) Write the set in Rule method. Y = {1, 4, 9, 16, 25}

A = {x | x

30

}

Write the roster form for the given set:

“Set of all months in a year having at least $30$ days.”

Write the roster form for the given set:

“Set of all months in a year.”

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