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How many words, with or without meaning ...

How many words, with or without meaning can be made from the letters of the word MONDAY, assuming that no letter is repeated, if.
(i) 4 leters are used at a time,
(ii) all letters are used at a time
(iii) all letters are used but first letter is a vowel ?

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OSWAAL PUBLICATION-SOLVED PAPER 2017-1-EXERCISE
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  3. How many words, with or without meaning can be made from the letters o...

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  4. How many words, with or without meaning can be made from the letters o...

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  9. Verify by the method of contradiction that sqrt(2) is irrational .

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  10. A committee of two persons is selected from two men and two women.What...

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  11. A committee of two persons is selected from two men and two women.What...

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  12. If E and F are two events such that P(E)=1/4, P(E)=1/2 and P(E and F)=...

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

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  14. 1^(2)+2^(2)+3^(2)+............+n^(2)=(n(n+1)(2n+1))/6 forall n in N.

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

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  18. If p is the length of perpendicular from origin to the line whose int...

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  19. (cos 4x+cos3x+cos2x)/(sin 4x+sin3x+sin2x)=cot3x

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  20. Solve the following system of inequalities graphivally 2x+y>+4,x+yle3,...

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