Reciprocals

Which among the given reciprocal is correct

a. 3/15x1/3= 1
b. 3/20x20/3=1
c. 7/14x7/7=1
d. 34/3x34/34=1

Result

x = (Correct answer is: b) Wrong answer

Solution:

b=3/20⋅ 20/3=1 x=b

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