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  • Question 1
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    Find 2XY matrix such as X+Y=[7534] and XY=[1330].

  • Question 2
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    The radius of a circle is changing at the rate of drdt=0.01 m/sec. The rate of change of its area dAdt, when the radius of the circle is 4 m, is:

  • Question 3
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     Let α=(4!)!(4!)3! and β=(5!)!(5!)4!. Then : 

  • Question 4
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    Hungarian algorithm used to solve ____________.

  • Question 5
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    If sin1x+cos1y=2π5, then cos1x+sin1y is:

  • Question 6
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    If sinx+sin2x=1, then cos4x+cos2x is equal to:

  • Question 7
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    Let the six numbersa1,a2,a3,a4,a5,a6 be in A.P. and a1+a3=10. If the mean of these six numbers 192 and their variance is σ2, then 8σ2 is equal to :

  • Question 8
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    Let f:RR be defined as f(x)=3x. Choose the correct answer.

  • Question 9
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    The general solution of dydx+ytanx=2sinx is:

  • Question 10
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    The area of a triangle with vertices (3,0),(3,0) and (0,k) is 9 sq units, then the value of k will be:

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