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1. If 3x=2y and 6y=7z, what is the ratio of x to z?

  • A. 7:9
  • B. 7:9
  • C. 7:9
  • D. 7:9

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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