Q 1: If 3,7,9,x are in proportion then value of x = ____. 18 17 21

Q 2: The terms at the middle of a proportion are called ______. Means Extremes Center

Q 3: If 2,5,10,x are in proportion then value of x = _____. 15 20 25

Q 4: What are the extremes in 1:5 = 5:25. 3 and 15 2 and 23 1 and 25

Q 5: The product of extremes in a proportion = the product of ____ in the proportion. Means Middle Extremes

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

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

Q 8: The equality of two ratios is called a _____. Proportion Ratio Equality

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