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b

Number of all possible subsets of………
A = {a, b, c} are
A) 3       
B) 4                       
C) 6                       
D) 8


d

Explanation: Formula to find the number of all possible subsets of given set is 2nd, where ‘n’ represent number of element in set.
As A={a, b, c}                     n=3
so total number of subset =23            = 8



The name of formal Improvement and change in human knowledge is:
A) Religion                           
B) Morals
C) Education
         
D) All of these

c

Choose the correct sentence:
A) Last night you returned lately.
B) Last night you returned back late.
C) Last night you are returning late.
D) Last night you returned late.

d

"Everyone "knows about that incident.
[The underlined word is the example of]
A) Indefinite pronoun
  
B) Reflexive pronoun
C) Distributive pronoun    
D) Relative pronoun

a

My friend suffers…….........dementia. 
[Choose the correct preposition:]
A) before                              
B) from
C) to                                      
D) of

b