Q.1 Which of the following are sets ?justify your answer
(iv) The collection of all boys in your class.
The collection of boys in a class are well defined and known.
Group of well defined objects is a set.
Hence, it is a set.
'CBSE failed us, again!': Board faces backlash as Class 12 re-evaluation portal remains inaccessible
CBSE Class 12 re-evaluation portal faces technical glitch, services to resume by 2 pm
CBSE extends deadline to download Class 12 answer sheets till May 23; re-evaluation from May 26
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