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# Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2007 | June | Q#8

Hits: 16   Question A sequence  is defined by , , Where  is a positive integer. a)   Write down an expression for  a in terms of k. b)  Show that . c)                        i.       Find  in terms of k.                   ii.       Show that  is divisible by 10. Solution a)     We are […]

# Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2007 | June | Q#4

Hits: 67   Question A girl saves money over a period of 200 weeks. She saves 5p in Week 1, 7p in Week 2, 9p in Week  3, and so on until Week 200. Her weekly savings form an arithmetic sequence.  a.   Find the amount she saves in Week 200. b.   Calculate her total savings over the […]

# Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2007 | January | Q#9

Hits: 365   Question Ann has some sticks that are all of the same length. She arranges them in squares  and has made the following 3 rows of patterns: She notices that 4 sticks are required to make the single square in the first row, 7  sticks to make 2 squares in the second row and in the […]