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Find the first term and common differenc...

Find the first term and common difference of the Arithmetic Progressions whose nth terms are given below
`t_(n)=4-7n`

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The correct Answer is:
`-3,-7`
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NCERT TAMIL-NUMBERS AND SEQUENCES -Exercise 2.5
  1. Check whether the following sequences are in A.P. (1)/(2), (1)/(3),...

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  2. Check whether the following sequences are in A.P. 9, 13, 17, 21, 25...

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  3. Check whether the following sequences are in A.P. (-1)/(3),0,(1)/(3...

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  4. Check whether the following sequences are in A.P. 1, -1, 1, -1, -1,...

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  5. First term a and common difference d are given below. Find the corresp...

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  6. First term a and common difference d are given below. Find the corresp...

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  7. First term a and common difference d are given below. Find the corresp...

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  8. Find the first term and common difference of the Arithmetic Progressio...

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  9. Find the first term and common difference of the Arithmetic Progressio...

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  10. Find the 19^th term of an A.P -11, -15,-19,......

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  11. Which term of an A.P. 16, 11, 6, 1, …. is -54?

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  12. Find the middle term(s) of an A.P. 9, 15, 21, 27,…, 183

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  13. If nine times ninth term is equal to the fifeen times fifteenth term, ...

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  14. If 3+k, 18-k, 51 k + are in A.P. then find k.

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  15. Find the x, y, and z, given that the number x, 10, y, 24, z are in A.P...

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  16. In a threatre, there are 20 seats in the front row and 30 rows were al...

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  17. The sum of the three consecutive terms that are in A.P. is 27 and thei...

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  18. The ratio of 6th and 8th term of an A.P. is 7.9. Find the ratio of 9th...

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  19. In a winter season let us take the temperature of Ooty from Monday to ...

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  20. Priya earned ₹15,000 in the first month. Therefore her salary inceased...

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