Question
40% of 50 + 50% of ? = 25% of 300 - 10% of
250 What will come in the place of question mark (?) in the given expression?Solution
ATQ, 40% of 50 + 50% of ? = 25% of 300 - 10% of 250 0.4 X 50 + 0.5 X ? = 0.25 X 300 - 0.1 X 250 20 + (0.5 X ?) = 75 - 25 20 + (0.5 X ?) = 50 (0.5 X ?) = 30 ? = (30 ÷ 0.5) = 60
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