1 . If 3x=2y and 6y=7z, what is the ratio of x to z?
Answer: Option A
Explanation:
3x = 2y
Or, 9x = 6y..... (1)
Again, 6y = 7z
Or, 9x = 7z [ যেহেতু 6y = 9x]
So, x:z = 9:7
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