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Find the 20^(th) term from end of the se...

Find the `20^(th)` term from end of the sequence 3,8,13 …… 253.

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The correct Answer is:
`= 253 - 95 = 158.`
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ZEN PUBLICATION-ARITHMETIC PROGRESSIONS-TEXTUAL EXERCISE (Exercise 1.2)
  1. Fill in the blanks in the following table, given that a is the first t...

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  2. Find the (i) 30th term of the AP 10,7,4,…. (ii) 11th term fo the A...

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  3. In the following AP's find the missing terms in the boxes. (i) 2.,2...

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  4. Which term of the AP : 3,8,13,18,… is 78 ?

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  5. Find the number of terms in each of the following A.Ps. (i) 7, 13, 1...

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  6. Check whether -150 is a term of the AP : 11, 8, 5, 2

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  7. Find the 31^(th) term of an AP whose 11^(th) term is 38 and the 16th t...

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  8. An A.P. consists of 50 terms of which the 3rd term is 12 and the last ...

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  9. If the 3rd and 9th term of an A.P. are 4 and -8 respectively, which te...

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  10. The 17^(t h) term of an AP exceeds its 10^(t h) term by 7. Find the co...

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  11. Which term of the AP : 3, 15, 27, 39, …. Will be 132 more than its 54^...

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  12. Two APs have the same common difference. The difference between their ...

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  13. How many 3-digit numbers are divisible by 7?

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  14. How many multiples of 4 lie between 10 and 250 ?

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  15. For what values of 'n' are the nth terms of A.Ps. 63, 65, 67, ... and ...

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  16. Determine the AP whose third term is 16 and the 7th term exceeds the 5...

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  17. Find the 20^(th) term from end of the sequence 3,8,13 …… 253.

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  18. The sum of the 4^(th) and 8^(th) terms of an AP is 24 and the sum of t...

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  19. Subba Rao started work in 1995 at an annual salary of Rs.5000 and rece...

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  20. Ramkali saved Rs.5 in the first week of a year and then increased her ...

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