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How many terms are there in the A.P. who...

How many terms are there in the A.P. whose first and fifth terms are -14 and 2 respectively and the sum of the terms is40?

A

12

B

10

C

16

D

8

Text Solution

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The correct Answer is:
B
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QUANTUM CAT-SEQUENCE, SERIES & PROGRESSIONS-QUESTION BANK
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  3. How many terms are there in the A.P. whose first and fifth terms are ...

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  4. The first and last terms of an A.P. are - 7 and 233 and the sum of the...

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  5. The sum of three numbers in AP is 12 and sum of their cubes is 408 fin...

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  6. The sum of first 30 even natural numbers is

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  7. If you save 1 paisa today, 2 paise the next day, 3 paise the succedin...

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  8. The ratio of the 7th to the 3rd terms of an A.P. is 12:5, find the rat...

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

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  10. If m times the mth term of an A.P. is equal to n times its nth term, f...

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  11. The sum of the first fifteen terms of an A.P. is 105 and the sum of th...

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  12. If the first term of an AP is 2 and the sum of the first five terms i...

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  13. The sum of the first six terms of an A.P. is 42. The ratio of the 10th...

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  14. (i) The sum of n terms of two arithmetic series are in the ratio of (7...

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  15. The sum of three numbers in AP is 15 and sum of their squares is 93 fi...

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  16. If the nth term of an A.P. is 4n-1 , find the 30th term and the sum of...

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  17. The sum of n terms of a series is 3n^2+5n find the value of n if nth ...

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  18. Find the number of terms of the A.P. 98,91,84,…must be taken to give a...

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  19. What is the greatest possible sum of the A.P. 17,14,11,…

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  20. What is the least possible sum of the A.P. -23,-19 , -15 , … :

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