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Rekha and Reena did an examination. Rekha scored 9 marks more than Reena and her marks was 56% of the sum of their marks. The mark

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Rekha and Reena did an examination. Rekha scored 9 marks more than Reena and her marks was 56% of the sum of their marks. The marks obtained by them are

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Adeline

7. A shopkeeper gains 80 on each chair and loses 30 on each table. If he sells 100 chairs and 250 tables, then find his
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Eight beads are strung in a necklace with a clasp, how many ways can the beads be arranged?

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