Question

If x and y vary directly,then find the missing number in the given table
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Answer 1

(a) Given if x=5 , y=10

Therefore y=2x (or) x=y/2

y1 = 2(8) = 16

x1 = 60/2 = 30

x2 = 32/2 = 16

(b) Given if x=3 , y=21

Therefore y = 7x (or) x = y/7

x1 = 49/7 = 7

y1 = 8(7) = 56

x2 = 84/7 = 12