1) y - 8 = 9, y = ? a) 17 b) 16 2) 8a = 48, a = ? a) 6 b) 5 3) 49 ÷ b = 7, b = ? a) 7 b) 6 4) t ÷ 14 = 14, t = ? a) 196 b) 186 5) 3v = 39, v = ? a) 12 b) 13 6) 7k = 189, k = ? a) 27 b) 26 7) a x a = 40000, a = ? a) 20 b) 200 8) 10v = 890, v = ? a) 89 b) 80 9) t + 146 - 689 = 346, t = ? a) 889 b) 989 10) q × 2 × 3 = 54, q = ? a) 9 b) 8 11) c × c = 10000, c = ? a) 10 b) 100 12) 7 × 11 × f = 1001, f = ? a) 13 b) 12 13) dd = 9, d = ? a) 3 b) 9 14) If hh = kk, then h = k. a) True b) False 15) If 2d = 3g, which of the following is correct ? a) d = 6, g = 4. b) d = 10, g = 7.

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