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What is the least possible sum of the A....

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

A

-3

B

-78

C

-87

D

none

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

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

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  5. If a,b,c be the pth , qth and rth terms of an A.P., then p(b-c) + q(c-...

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  6. If a,b,c be respectively the sum of first p,q,r terms of an A.P. then ...

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  7. Divide 20 into four parts which are in A.P. and such that the product ...

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  8. The sum of first p- terms terms of an A.P. is q and the sum of first q...

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  9. Find the 6th term of the sequence 2,10,50,250,…..

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  10. Find the sum of the first 6 terms of the G.P. 3, 9/2 , (27)/(4) ,(8...

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  11. Find the sum of first five terms of the G.P 5,15,45…..

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  12. Find the G.M of 3,9,27 which are in G.P

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  13. Find the G.M of 3,6,24,48

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  14. Insert 2 geometric means between 3 and 24

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  15. If the product of five consecutive terms of G.P. is 1024, then find th...

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  16. If the product of three terms of a G.P is 729 then find the G.M of the...

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  17. The sum of an infinite GP is 18. If the first term is 6, the common ra...

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  18. Find the 15th term of the G.P -2,2,-2,….

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  19. Find the 7th term of the series -1/8 +1/4 - 1/2 + 1… :

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  20. The 5th , 8th and 11th terms of a G.P. are a,b,c respectively , then w...

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