Question

Write the following sets in the roster form. (i) B is the set of all months in a year having 30 days. P is the set of all prime numbers smaller than 10. (iii) X is the set of the colours of the rainbow​

Answer 1

To find :

to write the sets Given in roaster form

Given sets :

i) B is the set of all months in a year having 30 days

ii) P is the set of all prime numbers smaller than 10.

iii)X is the set of the colours of the rainbow

Solution

i) the months which are having 30 days in it are :

April, June, September, November

hence, B = {April, June, September, November }

ii) the prime number less than 10 are :

2,3,5,7

so, P = {2,3,5,7}

iii) the colours in rainbow are :

voilet,indigo, blue, green, yellow, orange, red

so, X = {voilet,indigo, blue, green, yellow, orange, red }

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