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28 July, 06:59

Find the missing number ___:7 = 12:21

A. 14

B. 12

C. 4

D. 3

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Answers (1)
  1. 28 July, 09:25
    0
    The question is asking us to "find the missing number ___:7 = 12:21 First, let's see how similar are 7 and 21 - 21 is 7 multiplied by 3. So the gap will be filled in by something that multiplied by 3 will give us 12. So we have : x*3=12, and also: x=12/4=4, so the answer is C. 4
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