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20. If E= {2, 4, 6, … ) and {1,3,5, … ), then E and O are:
(a) equal sets
(b) equivalent sets
(c) complement to

By Melody

20. If E= {2, 4, 6, … ) and {1,3,5, … ), then E and O are:
(a) equal sets
(b) equivalent sets
(c) complement to each other (d) proper sets​

About the author
Melody

1

The breadth and length of a rectangle are in the ratio 4:5 and its area is 320 cm2

. What are

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The length of a rectangle is increased by 50%. By what percent would the

width have to be decreased to maintain the sa

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