9th mathematics exercise question with answer, Mathematics

Variation – Exercise 3.6.2 – Class IX

If x varies as y and if x = 6 when y = 3, find x when y = 10. Solution: Given x varies as y and if x = 6 we have y = 3 x α y x=6                 y=3 x=?                  y=10 x=ky 6=k.3 ⇒k = 2 x = 2 x y = 2… Continue reading Variation – Exercise 3.6.2 – Class IX

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