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CHHAYA PUBLICATION-MCQ ZONE -Question Paper 5
- If A=[(-1,2),(2,-1)], B=[(5),(7)] and AX=B then X is equal to -
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- If i=sqrt(-1),P=[(i,0,-i),(0,-i,i),(-i,i,0)] and Q=[(-i,i),(0,0),(i,-...
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- If A ne 0 and B ne 0 are two 2xx2 matrices such that AB = 0, then w...
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- The value of |(log(3)512,log(4)3),(log(3)8,log(4)9)|xx|(log(2)3,log(8)...
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- It is known that a lot of 10 articles contains 3 defectives. A sampl...
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- If the mean and variance of a binomial distribution are (4)/(3) and...
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- If the function f(x) is defined by f(x)=a+bx and f^(r )=fff…. (repea...
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- The range of the function " "^(7-x)P(x-3) is -
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- The domain of definition of the function f(x)=("sin"^(-1)(x-3))/(sqrt...
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- The acute angle between the z-axis and the straight line joining th...
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- Let veca=hati+hatj+2hatk, vecb=2hati+2hatj, vec c=3hati+5hatj-2hatk a...
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- If vecr(1)=hati+2hatj-2hatk and vecr(2)=3hatj-4hatk, then the angle be...
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- A unit vector which is perpendicular to both the vectors veca=hati-ha...
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- If |veca|=7,|vecb|=sqrt(26) and |veca xx vecb|=35, then the value of v...
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- The equation of any plane parallel to y -axis is -
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- If |vecb|=4 and (veca+vecb)*(veca-vecb)=9, then the value |veca| is -
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- If the line vecr=(2hati-hatj+3hatk)+lambda(2hati+hatj+2hatk) is paral...
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- If the equation ax^(4)+bx^(3)+cx^(2)+kx=0 has a root alpha gt 0, the...
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- The chord of the curve ax^(2)+bx+c=0, joining the points x=p and x=q o...
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- The value of lim(x to 0) (10^(x)-2^(x)-5^(x)+1)/(x log(1+x)) is -
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