X and y vary inversely as each other.when x =10,y=6.which of following is not a possible pair of corresponding values of x and y.options are a)15 and 4. B)20 and 3 c)1.5 and 30 d)0.6 and 100
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x=k/y, k is constant
k=y×60
10×6=60
15 ×4 =60
20 ×3 =60
1.5×30=45
0.6×100=69
1.5 and 30 is not the possible pair as it's constant is 45 and all others are 60
k=y×60
10×6=60
15 ×4 =60
20 ×3 =60
1.5×30=45
0.6×100=69
1.5 and 30 is not the possible pair as it's constant is 45 and all others are 60
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