log 8(128) is equal to

1.  7/3

2.  3/7

3.  1/16

4.  16

4

7/3

Explanation :
No Explanation available for this question

If the position vectors of the vetices of a triangle arethen it is a ….. triangle

1.  Equilateral

2.  Isosceles

3.  Right angled isosceles

4.  Right angled

4

Right angled

Explanation :
No Explanation available for this question

f : R→R,defined by f(x) = sinx and g:R→R,defined by g(x)=x2,(fog)(x) is equal to

1.  x2+sinx

2.  x2sinx

3.  sin2x

4.  sinx2

4

sinx<sup>2</sup>

Explanation :
No Explanation available for this question

If [1/(1-2x)(1+3x)]=[A/(1-2x)]+[B/(1+3x)] ,then 2B is equal to

1.  A

2.  2A

3.  3A

4.  -3A

4

3A

Explanation :
No Explanation available for this question

Ifthen the volume (in cubic units) of the parallelopiped with

1.  15

2.  22

3.  25

4.  27

4

27

Explanation :
No Explanation available for this question

The term independent of x in expansion of (x2-(1/x))6 is equal to

1.  -12

2.  15

3.  24

4.  -15

4

15

Explanation :
No Explanation available for this question

The coefficient of the 8th term in expansion of (1+x)10 is equal to

1.  7

2.  10C8

3.  120

4.  210

4

120

Explanation :
No Explanation available for this question

In a Binomial distibution the probability of getting success is 1/4 and the standard deviation is 3.Then its mean is:

1.  6

2.  8

3.  10

4.  12

4

12

Explanation :
No Explanation available for this question

The coefficient of the middle term in expansion of  (1+x)40 is equal to

1.  (1.3.5.....39)/20!

2.  [(1.3.5.....39)/20!]220

3.  40!/20!

4.  40! 220

4

[(1.3.5.....39)/20!]220

Explanation :
No Explanation available for this question

1.  -1/5

2.  1/5

3.  34/5

4.  -34/5

4