Ratio, Rate and Proportion


1. Which of the following ratio is not equivalent to the rests?

a) 9:17

b) 45:85

c) 27:51

d) 62:119


2. If x:3 = 6:9, what is the value of x?


3. Is 10:15 equal to 2:3?


4. There were 20 males and 100 females who have attended a dinner yesterday. How many proportion of the attendees were males?


  1. D
  2. 2
  3. Yes
  4. 1/6

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I am a PhD holder with 8 years of teaching experience at secondary school and university. My expertizes are mathematics, statistics, econometrics, finance and machine learning.

Currently I do provide consultation and private tuition in Singapore. For those who are looking for math tutor in Singapore or statistics tutor in Singapore, please feel free to contact me at +65-85483705 (SMS/Whatsapp/Telegram).

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