Q 1: The product of extremes in a proportion = the product of ____ in the proportion. Extremes Middle Means

Q 2: If 2,5,10,x are in proportion then value of x = _____. 15 25 20

Q 3: The product of ____ in a proportion = the product of means in the proportion. Means Center Extremes

Q 4: If 3,7,9,x are in proportion then value of x = ____. 21 17 18

Q 5: The terms at the middle of a proportion are called ______. Means Extremes Center

Q 6: What are the extremes in 1:5 = 5:25. 1 and 25 2 and 23 3 and 15

Q 7: The terms at the last of a proportion are called ______. Extremes Opposites Means

Q 8: a, b, c and d are four numbers if a:b = c:d then a, b, c and d are in ______. Equation Ratio Proportion

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