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• ICSE×
• Class 7×
• Mathematics×
• Relations And Mapping×
• Ordered Pairs And Relations×

# Ordered Pairs And Relations Free Doubts and Solutions

## If A = {21, 25, 48} and B = {3, 5, 6}. Find the relation between them in Roster form and represent the same by an arrow diagram. Does R represent mapping?

Asked by Topperlearning User 26th October 2015, 12:46 PM

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## Identify which set of ordered pairs represents a mapping? a) R1 = {(9,3), (9,-3), (36,6), (36,-6)} b) R2 = {(a,x), (b,y), (c,x), (d,z) c) R3 = {(18,6), (5,1), (32,16), (42,10)}

Asked by Topperlearning User 13th February 2014, 2:28 PM

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## Identify a relation of the below set of ordered pairs and represent the sets using arrow diagram. a) R = {(5,-5), (10,-10), (15,-15), (20,-20)} b) R = {(10,20), (15,30), (20,40)}

Asked by Topperlearning User 12th February 2014, 5:24 PM

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## Find the domain and range of the below ordered pairs. 1) {(8,2), (16,4), (85,5) , (81,9)} 2) {(2,2), (2,4), (2,10), (2,12)}

Asked by Topperlearning User 12th February 2014, 3:46 PM

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## Identify the relation of the ordered pair and represent the set using an arrow diagram. R1 = {(324,18), (625,25), (225,15)}

Asked by Topperlearning User 12th February 2014, 10:47 AM