Processing math: 21%




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1.

If  f(a+bx)=f(x) then   baxf(x)dx is  equal to 


A) a+b2baf(bx)dx

B) a+b2baf(b+x)dx

C) ba2baf(x)dx

D) a+b2baf(x)dx



2.

The number of surjective  functions from A to B where A= {1,2,3,4} and B= {a,b} is 


A) 14

B) 12

C) 2

D) 15



3.

The domain and range of the function f given by f(x)= 2-|x-5| is


A) Domain = R^{+} , range = (-\infty,1]

B) Domain =R, Range =(-\infty,2]

C) Domain =R , Range =(-\infty,2]

D) Domain =R^{+}, Range = (-\infty ,2]



4.

The shortest distance between  the lines x=y+2=6z-6 and x+1=2y=-12z is 


A) \frac{1}{2}

B) 2

C) 1

D) \frac{3}{2}



5.

If the letters of the word KRISNA are arranged in all possible  ways  and these words are written out as in a dictionary, then the rank of the work 'KRISNA' is 


A) 324

B) 341

C) 369

D) none of these



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