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Find 20th term of G.P. 5/2,5/4,5/8-----....

Find 20th term of G.P. `5/2,5/4,5/8-----.`

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OSWAAL PUBLICATION-SOLVED PAPER 2017-1-EXERCISE
  1. Convert (7pi)/6 radians in degree measure ?

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  2. Find the multiplicative inverse of sqrt 5 + 3i

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  3. Find 20th term of G.P. 5/2,5/4,5/8-----.

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  4. Find 'n' if '^(n)C9=^nC8.

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  5. Find the slope of the line x-y+3=0

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  6. Write the negation of the statement " sqrt(7) is rational".

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  7. Evaluateunderset(x rarr 0) lim [((x+1)^5-1)/x].

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  8. A letter is chosen at random from the word "ASSASSINATION" . Find the ...

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  9. If X and Y are two sets such that X ∪ Y has 18 elements, X has 8 eleme...

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  10. If A={-1,1}, find A xx A xx A

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  11. Let f(x) = sqrt(x) and g(x) = x find (i) (f + g) x (ii) (fg) x

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  12. Let f(x) = sqrt(x) and g(x) = x find (i) (f + g) x (ii) (fg) x

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  13. The minute hand of a clock is 2.1cm long. How far does its tip move is...

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  14. Find the general solutions of 2 cos ^(2) x - 3 sin x = 0

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  15. Evaluate underset (x rarr 1)lim(x^15-1)/(x^10-1).

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  16. Find the median for the following data. 3,9,5,10,18,4,7,19,21.

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  17. Write the converse and contrapositive of 'If a parallelogram is a squ...

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  18. On her vacations Veena visits cities A,B C and D in random order . Wha...

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  19. In the triangle ABC with vertices A (2, 3) , B (4, -1) " and " C (1, ...

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  20. Find the distance between two parallel lines 3x+4y+5=0 and 6x+8y+2=0

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