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Find the 7th term of the series -1/8 +1/...

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

A

8

B

-16

C

-8

D

none of these

Text Solution

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The correct Answer is:
C
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QUANTUM CAT-SEQUENCE, SERIES & PROGRESSIONS-QUESTION BANK
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  2. Find the 15th term of the G.P -2,2,-2,….

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

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

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  5. The 5th and 12th terms of a G.P. are 32 and 4096 respectively . Find t...

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  6. What is the least number of terms of the G.P. 5+10 + 20 + …. Whose sum...

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  7. The A.M. of two positive numbers is 15 and their G.M. is 12 what is th...

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  8. The sum of 3 numbers in G.P.is 38 and their product is 1728 find the g...

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  9. The ratio of the sum of first three terms to the sum of first six term...

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  10. The sum of three numbers in G.P. is 14 . If the first two terms are ea...

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  11. The third term of a G.P is 4 the product of first five term is:

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  12. The sum of first three terms of a G.P. is 21 and sum of their squares ...

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  13. The sum of the first and the third term of G.P. is 15 and that of the ...

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  14. Sum of three consecutive terms in a G.P. is 42 their product is 512 . ...

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  15. The sum of three numbers in G.P. is 70, if the two extremes be multipl...

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  16. The sum of four terms in G.P. is 312 . The sum of first and fourth ter...

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  17. A bouncing tennis ball rebounds each time to a height equal to one hal...

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  18. Find the sum of n terms of the series" 7 + 77 + 777 + …

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  19. Find the sum of n terms of 0.8 + 0.88 + 0.888 + …

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  20. If the pth, qth and rth terms of a G.P. be respectively , a,b and c th...

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