Q 1: The terms at the last of a proportion are called ______. Means Extremes Opposites

Q 2: a, b, c and d are four numbers if a:b = c:d then a, b, c and d are in ______. Equation Proportion Ratio

Q 3: The product of extremes in a proportion = the product of ____ in the proportion. Middle Means Extremes

Q 4: The equality of two ratios is called a _____. Equality Proportion Ratio

Q 5: If 3,7,9,x are in proportion then value of x = ____. 21 17 18

Q 6: The terms at the middle of a proportion are called ______. Center Means Extremes

Q 7: What are the means in 25:30 = 250:300. 30 and 250 12 and 112 42 and 75

Q 8: If 2,5,10,x are in proportion then value of x = _____. 15 20 25

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