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Three are 100 students in a class. In an...

Three are 100 students in a class. In an examination, 50 of them failed in Mathmatics, 45 failed in physica 40 filed in Biology and 32 filed in exactly two of the three subject. Onley one student passed in all the subjects. Then the number failing in all the three subjects

A

is 12

B

is 54

C

is 2

D

cannot be determined from the given information

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2012-MULTIPLE CHOICE QUESTIONS
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  2. If (z-1)/(z+1) is purely imaginary, then

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  3. Three are 100 students in a class. In an examination, 50 of them faile...

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  4. A vechicle registration number consists of 2 letters of English alphab...

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  5. The number of words that can be written using all the letters of the ...

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  6. Four speakers will address a meeting where speaker Q will always speak...

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  7. The number of diagonals in a regular polygon of 100 sides is

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  8. Let the coefficients of powers of x in the 2^(nd) and , 3^(rd), and 4^...

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  9. Let f(x)+ax^(2)+bx+c , g x= px^(2)+qx+r, such that f(1)=g(1), f(2), g(...

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  10. The sum 1xx1!xx2!+...+50xx50! equals

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  11. Six numbers are in A.P in A.P such that their sum is 3. the first term...

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  12. The sum of the infinite series 1+(1)/(3)+(1.3)/(3.6)+(1.3.5)/(3.6.9)+(...

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  13. The equation x^(2)+x+a=0 and x^(2)+ax+1=0 have a common real root

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  14. If 64,27, 36 are the p^(th) , Q^(th) and R^(th) terms of a G.P. then P...

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  15. If sin^(-1)x+sin^(-1)y+sin^(-1)z=(3pi)/(2), then the value of x^(9)+y^...

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  16. Let p,q,r be the sides opposite to the angles P,Q, R respectively in a...

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  17. Let p,q,r be the sides opposite to the angles P,Q, R respectively in a...

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  18. Let P (2,-3), Q(-2, 1) be the vertices of the triangle PQR. If the cen...

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  19. lim(x to 0) (pi^(x)-1)/(sqrt(1+x)-1)

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  20. If f is a real- valued differentiable function such that f(x)f'(x) lt ...

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