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In each of the following, determine the ...

In each of the following, determine the missing out of a, n, d, l and `S_n`. :- a = 15 , d= -2 , n=11.

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MBD-ARITHMETIC PROGRESSION-EXERCISE
  1. Find the sum of an A.P. of :- 26 terms whose nth term is 2n + 5.

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  2. Find the sum of an A.P. of :- 26 terms whose nth term is (2n + 1)/3 .

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  3. In each of the following, determine the missing out of a, n, d, l and ...

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  4. In each of the following, determine the missing out of a, n, d, and Sn...

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  5. In each of the following, determine the missing out of a, n, d, l and ...

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  6. Aman saves $320 during the first year, $ 360 in the second year, $ 400...

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  7. Nisha buys an old car for $44,000. She pays $16,000 cash and promises ...

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  8. A manufacturer of PC’s produced 600 sets in the third year and 700 set...

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  9. A manufacturer of PC’s produced 600 sets in the third year and 700 set...

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  10. Find the sum of first 10 terms an A.P. if T1 = - 14 and T5 = 20.

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  11. In an A.P. third term is 14 and 8th term is 34. Find Sn and S(20) .

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  12. Find the sum of all natural numbers below 500 which are divisible by 8...

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  13. Find the sum of all natural numbers between 99 and 1001 which are mult...

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  14. Find the sum of all natural numbers between 1 and 100 which are multip...

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  15. Find the sum of first hundred even natural numbers divisible by 5.

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  16. Find the sum of all odd numbers of four digits which are divisible by ...

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  17. Find the sum of all natural numbers from 1 to 1000 which are not divis...

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  18. Find the sum of all 3-digit numbers which leave remainder 2, when divi...

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  19. The sum of three consecutive numbers of an A.P. is 27 and their produc...

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  20. The sum of four numbers in an A.P. is 16 and sum of their squares is 8...

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