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In the arithmetic progressions 2,5,8,… u...

In the arithmetic progressions 2,5,8,… upto 50 terms and 3,5,7,9… upto 60 terms, find how many terms are identical.

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RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
  1. How many numbers of two digits are divisible by 7?

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  2. Show that there is no A.P. which consists of only distinct prime nu...

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  3. In the arithmetic progressions 2,5,8,… upto 50 terms and 3,5,7,9… upto...

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  4. Find: 10 t h term of the A.P. 1,4,7,10..

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  5. Find: nth term of the A.P. 13,8,3,-2,…

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  6. Find: 18th term of the A.P. sqrt(2),\ 3sqrt(2),\ 5sqrt(2) ddot

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  7. Evaluate (sqrt(3)-sqrt(2))^6+(sqrt(3)+sqrt(2))^6dot

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  8. If the sequence an is A.P., show that a(m+n)+a(m-n)=2amdot\

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  9. Which term of the A.P. 3,8,13… is 248?

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  10. Which term of the A.P. 84,80,76… is 0?

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  11. Which term of the A.P. 4,9,14… is 254?

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  12. Is 68 as term of the A.P. 7,10,13,…?

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  13. Is 302 a term of the A.P. 3,8,13,…?

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  14. Which term of the sequence 24 ,\ 23 1/4,\ 22 1/2,\ 21 3/4 is the first...

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  15. Which term of the sequence 12+8i ,\ 11+6i ,\ 10+4i ,... is (a) purely ...

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  16. How many terms are there in the A.P. 7,10,13,…43?

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  17. How many terms are there in the A.P. -1,\ -5/6,\ -2/3,-1/2,\ ,(10)/3?

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  18. The first term of an AP. is 5, the common difference is 3 and the last...

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  19. The 6th and 17th terms of an A.P. are 19 and 41 respectively, find t...

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  20. If 10 times the 10th term of an A.P. is equal to 15 times the 15th t...

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