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In which of the following tables, a\ a n...

In which of the following tables, `a\ a n d\ b` vary directly. Also, find the constant of variation if `a\ a n d\ b` are in direct variation. (i) a, 4, 7, 21, 28 b, 12, 21, 63, 84 (ii) a, 2.5, 5, 7.5, 10, 15 b, 10, 20, 30, 40, 60 (iii) a, 1, 2, 3, 4, 5 b, 2, 1, 6, 3, 2/5

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In which of the following tables, a\ a n d\ b vary directly. Also, find the constant of variation if a\ a n d\ b are in direct variation. (i) a: 4, 7, 21, 28 and b:12, 21, 63, 84 (ii) a: 2.5, 5, 7.5, 10, 15 and b:10, 20, 30, 40, 60 (iii) a:1, 2, 3, 4, 5 and b:2, 1, 6, 3, 2/5

In which of the following tables a and b vary directly? (i) a, 7, 9, 13, 21, 25 b, 21, 27, 39, 63, 75 (ii) a, 10, 20, 30, 40, 46 b, 5, 10, 15, 20, 23 (iii) a, 1^2 , 2^2 , 3^2 , 4^2 , 5^2 b, 1^3 , 2^3 , 3^3 , 4^3 , 5^3

In which of the following tables a and b vary directly? (i) a: 7, 9, 13, 21, 25 b: 21, 27, 39, 63, 75 (ii) a: 10, 20, 30, 40, 46 b: 5, 10, 15, 20, 23 (iii) a: 1^2 , 2^2 , 3^2 , 4^2 , 5^2 b: 1^3 , 2^3 , 3^3 , 4^3 , 5^3

A= {1, 2, 3, 4, 5}, B= {4, 5, 6, 7, 8}, C= {7, 8, 9, 10, 11}, D= {10, 11, 12, 13, 14} . Find the following sets. A cup B

Let A={3,6, 12 , 15 , 18 , 21},\ B={4,8, 12 , 16 , 20},\ C={2,4,6,8, 10 , 12 , 14 , 16}a n d\ D={5, 10 , 15 , 20} . Find: B-D

Let A={3,6, 12 , 15 , 18 , 21},\ B={4,8, 12 , 16 , 20},\ C={2,4,6,8, 10 , 12 , 14 , 16}a n d\ D={5, 10 , 15 , 20} . Find: A-B

Let A={3,6, 12 , 15 , 18 , 21},\ B={4,8, 12 , 16 , 20},\ C={2,4,6,8, 10 , 12 , 14 , 16}a n d\ D={5, 10 , 15 , 20} . Find: B-A

Let A={3,6, 12 , 15 , 18 , 21},\ B={4,8, 12 , 16 , 20},\ C={2,4,6,8, 10 , 12 , 14 , 16}a n d\ D={5, 10 , 15 , 20} . Find: B-C

If A = {1, 2, 3, 4}, B = {3, 4, 5, 6}, C = {5, 6, 7, 8 } and D = { 7, 8, 9, 10 } , find B ∪ D

If A = {1, 2, 3, 4}, B = {3, 4, 5, 6}, C = {5, 6, 7, 8 } and D = { 7, 8, 9, 10 } , find A ∪ B ∪ D