If A = {x ∶ x is a letter in word BELOW}, B = {x ∶ x is a letter in word WOOL} and C = A – B, then the number of subsets of C is

If A = {x ∶ x is a letter in word BELOW}, B = {x ∶ x is a letter

1.	If A = {x ∶ x is a letter in word BELOW}, B = {x ∶ x is a letter in word WOOL} and C = A – B, then the number of subsets of C is
A.	1
B.	2
C.	3
D.	4
Answer» E.

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If A = {x ∶ x is a letter in word BELOW}, B = {x ∶ x is a letter in word WOOL} and C = A – B, then the number of subsets of C is

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