1.

There are 3 sets of natural numbers 1 ot 100. Set A contains all the natural numbers which are prime, upto 100. Set B contains all the non-primeeven natural numbers upto 100. Set C contains all the non-prime odd natural numbers upto 100 i.e., A = {2,3,5,7,11,...89, 97} B = {4,6,8,10,12,...98,100} C = {1,9,15,21,25,27,33,95,99} If a least and a greatest element of Set C are transferred from Set C to Set A then the average of Set A :

Answer»

a. increases
b. decreases
c. REMAINS constant
d. can't be determined

Answer :A


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