WAEC Mathematics 2014 Objective — Question 30
Question 30 of 50 from the West African Examinations Council (WAEC) Mathematics 2014 Objective paper, with the correct answer and a full explanation.
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If x:y=3:2 and y:z=5:4, find the value of x in the ratio x:y:z.
- A. 8
- B. 10
- C. 15Correct
- D. 20
Explanation
Combining the ratios: x:y=3:2=15:10 and y:z=5:4=10:8, giving x:y:z=15:10:8. So x=15.
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