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6) If x ∝ y and x1=5,y1=210 and x2 = 2, then find y2?
(a) 200
(b) 84
(c) 99
(d) 7
7) If the weight of 12 sheets of thick paper is 40 grams, how many sheets of the same paper
would weigh 2500 grams?
8) The scale of a map is given as 1:300. Two cities are 4 km apart on the map. The actual
distance between them is:
