1.

xandyvaryinverselyas each other. When x is 10,y is 6, which of the following is not apossible pair of corresponding values of x and y ?(i) 12 and 5(ii) 15 and 4(ii) 25 and 2.4(iv) 45 and 1.3

Answer»

X=k/y, k is constantk=y×6010×6=6015 ×4 =6020 ×3 =601.5×30=450.6×100=691.5 and 30 is not the possible pair as it's constant is 45 and all others are 60

nikunj



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