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Online Quiz (WorksheetABCD)

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MEAP Preparation - Grade 7 Mathematics2.12 Proportion - II

 If a/b = c/d, then a, b, c, and d are called the first, second, third, and fourth terms of a proportion respectively. The first and fourth terms in a proportion i.e., a and d are called "extremes" and the second and third terms i.e., b and c are called "means". Example: Find the extremes and means in 2:5 = 10:25. In the above proportion, the extremes are 2 and 25, and the means are 5 and 10. Directions: Answer the following questions. Also write at least ten examples of your own.
 Q 1: What are the means in 9:10 = 45:50?9 and 5010 and 45 Q 2: What are the extremes in 1:5 = 18:90?1 and 905 and 18 Q 3: What are the extremes in 10:75 = 50:75 ?10 and 7515 and 50 Q 4: What are the extremes in 10:30 = 100:300?30 and 10010 and 300 Q 5: What are the extremes in 5:2 = 25:10?5 and 102 and 25 Q 6: What are the means in 4:6 = 200:300?6 and 2004 and 300 Q 7: What are the means in 2:4 = 100:200?4 and 1002 and 200 Q 8: What are the means in 25:30 = 250:300?30 and 25025 and 300 Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!