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What is the number of ways of choosing 4...

What is the number of ways of choosing 4 cards from a pack of 52 playing cards? In how many of these
(i) four cards are of the same suit,
(ii) four cards belong to four different suits,
(iii) are face cards,
(iv) two are red cards and two are black cards,
(v) cards are of the same colour?

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OSWAAL PUBLICATION-SOLVED PAPER 2018-2-EXERCISE
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  2. A die is thrown. Find the probability that (i) A prime number will a...

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  3. A die is thrown.Write the sample space.Also find the probability of th...

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  4. A die is thrown, find the probability of following events: (i) A pri...

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  5. Define a modulus function . Draw its graph. Also write down its domai...

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  6. ((sin 7x + sin 5x ) +(sin 9x + sin 3x))/( (cos 7x + cos 5x ) + (cos 9x...

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  7. 1^(2)+2^(2)+3^(2)+............+n^(2)=(n(n+1)(2n+1))/6 forall n in N.

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  8. Solve the following system of inequalities graphically x+2yle8,2x+yle8...

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  9. What is the number of ways of choosing 4 cards from a pack of 52 play...

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  10. What is the number of ways of choosing 4 cards from a pack of 52 play...

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  11. What is the number of ways of choosing 4 cards from a pack of 52 cards...

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  12. What is the number of ways of choosing 4 cards from a pack of 52 play...

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  13. State and prove Bionomial theorem for any positive integer n.

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  14. Derive the expression for the length of the perpendicular drawn from t...

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  15. Prove that underset(xrarr0)lim(sinx/x=1) ?

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  16. Find the mean deviation about median for the following data:

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  17. (a)Derive geometrically that cos(x+y)=cos x cos y-sin x sin y.Hence de...

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  18. (b) Find the sum to n terms of the series 1 xx 2 xx 3 + 2 xx 3 xx 4 + ...

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  19. Find the equation of hyperbola in the form (x^2)/(a^2)-(y^2)/(b^2)=1, ...

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  20. Find the derivative of f(x)(x + cos x)/(tan x) w.r. to x . . .

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