Class X Exam Prep
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Class X Exam Prep
Sample questions with model answers
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Exactly one of five people P, Q, R, S and T took the last mango. P says, "Q or R took it." Q says, "Neither I nor S took it." R says, "T took it." S says, "P is lying." T says, "R took it." Exactly two of them are telling the truth. Who took the mango?
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R
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The pages of a book are numbered 1, 2, 3, ... In all, 1002 digits are used. How many pages does the book have?
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370
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Alloy A contains gold and copper in the ratio 5 : 3. Alloy B contains them in the ratio 1 : 3. In what ratio should A and B be mixed to get an alloy with gold and copper in equal amounts?
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1 : 2
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A shopkeeper sells rice at 10% below the cost price. But he uses a false weight of 800 g in place of 1 kg. What is his actual gain percent?
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25%
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