1) a) b) c) d) none of these 2) a) b) c) d) 3) ...

1) The vectors 2i +3j-4k and ai+bj+ck are perpendicular whena) a=2, b=3, c=-4b) a=4, b=4, c=5c) a=4, b=4, c=-5d) none of these 2) The vectors A=3i-k, B=i+2j are adjacent sides of a parallelogram. Its ...

1) If a=4i+6j and b=3j+4k, then the vector form of component of a along b is a) b) c) d) 3j+4k 2) The vector ...

1) If and 2 P(A) = P(B) = p, then the value of p is equal toa) b) c) ...

1) If (1 – 3p)/2, (1+ 4p)/3, (1 + p)/6 are the probabilities of three mutually exclusive and exhaustive events, then the set of all values of p isa) (0,1)b) (-1/4, 1/3)c) (0,1/3)d) ...

1) A die is thrown 4 times. Probability of getting at most two 6 isa) 0.984b) 0.802c) 0.621d) 0.721 2) A man alternately tosses a coin and throws a die. The probability of his ...

1) The regression lines are 4x-5y-33=0, 2x-9y+107=0 then find the mean of x and ya) 13, 17b) 12, 13c) 15, 13d) none of these 2) a) ...

1) In an entrance test there are multiple choice questions. There are four possible answers to each question of which one is correct. The probability that a student knows ...

1) A body is on the point of sliding down an inclined plance under its own weight. If the inclination of the plane to the horizon be , the ...

1) ABCD is quadrilateral. Forces represented by act on particle. The resultant of these forces isa) b) c) d) 2) ...

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