alleryજો P = {1, 2, 3, 4, 5} અને Q = {4, 5, 6, 7} હોય, તો P માં હોય પરંતુ Q માં ન હોય તેવા કેટલા ઘટકો છે?
A2
B4
C3
D5
Answer & Solution
Correct answer: C. 3
P માંથી સામાન્ય 4 અને 5 દૂર કરવાથી 1, 2 અને 3 વધે છે.
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