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The number of ways four boys can be seat...

The number of ways four boys can be seated around a round-table in four chairs of different colours is

A

24

B

12

C

23

D

64

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2008-MULTIPLE CHOICE QUESTIONS
  1. The number of ways four boys can be seated around a round-table in fou...

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  2. If one root of the equation x^(2)+(1-3i)x-2(1+i)=0 is -1+i, then the o...

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  3. Three sets A, B, C are such that A=BnnC and B=CnnA, then

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  4. The sum of the infinite series ((1)/(3))^(2)+(1)/(3)((1)/(3))^(4)+(1)/...

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  5. The values of x for which the given matrix [(-x,x,2),(2,x,-x),(x,-2,-x...

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  6. If tan((alphapi)/(4))=cot((betapi)/(4)), then n is an integer.

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  7. The principal value of sin^(-1)(tan(-(5pi)/(4))) is

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  8. The value of cos""(pi)/(15)cos""(2pi)/(15)cos""(4pi)/(15)cos""(8pi)/(1...

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  9. If a, b, c be in Arithmetic progression, then, then value of (a+2b-c)(...

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  10. The equation x^(2)-3|x|+2=0 has

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  11. The principal amplitude of (sin40^(@)+icos40^(@))^(5) is

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  12. If log(5)log(5)log(2)x=0 then value of x is

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  13. A person draws out two balls successively from a bag containing 6 red ...

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  14. If three real numbers a, b, c are in Harmonic Progression, then which ...

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  15. A mappin f : N rarrN where N is the set of natural numbers is defined ...

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  16. If the magnitude of the coefficient of x^(7) in the expansion of (ax^(...

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  17. The mapping f:NrarrN given by f(n)=1+n^(2), n in N where N is the set ...

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  18. A and B are two points on the Argand plane such that the segment AB is...

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  19. A function f : A rarrB, where A={x:-1lexle1} and B={y//1leyle2} is def...

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  20. The function f(x) which satisfies f(x)=f(-x)=(f'(x))/(x) is given by

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