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25 % of 120 + 40% of 380 = ? of 637 (a) 2/7 (b) 1/7 (c) 4/7 (d) 3/7

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If 50% of (P-Q) = 30 % of (P + Q) and Q = x% of P, then the value of x is (a) 30(b) 25 %(c) 20% (d) 50 %

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If 125 % of x is 100, then x is (a) 80 (b) 180 (c) 400 (d) 125

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