1.  (1/m)secmx+c

2.  -(1/m)secmx+c

3.  (1/cosmx)+c

4.  None

4

(1/m)secmx+c

Explanation :
No Explanation available for this question

1.  (-2/√tan x)+c

2.  2√(tan x)+c

3.  (2/√tan x)+c

4.  -2√(tan x)+c

4

(2/√tan x)+c

Explanation :
No Explanation available for this question

I: 20 persons among whom A and B sit at random along a round table. The probability that there are 6 persons between A and B is 2/19 II: Out of 30

1.  Only I is true

2.  Only II is true

3.  Both I and II is true

4.  Neither I nor II true

4

Both I and II is true

Explanation :
No Explanation available for this question

1.

2.

3.

4.  None

4

Explanation :
No Explanation available for this question

In a box containing 15 bulbs, 5 are defective. If 5 bulbs are selected at random from the box, the probability of the event that I: none of them i

1.   Ony I is true

2.  Only II is true

3.  Only III is true

4.  all are true

4

all are true

Explanation :
No Explanation available for this question

I. In a class 25% of thestudents failed in mathematics, 30% failed in chemistry and 15% failed in both Mathematics and chemistry. If a student is selected at random failed in Mathematics, the probability that he failed in chemist

1.  Only I is true

2.  Only II is true

3.  Both I and II is true

4.  Neither I nor II true

4

Both I and II is true

Explanation :
No Explanation available for this question

I: A box contain 20 screws, 5 of which are defective, 2 screws are drawn at random.The probability of event that neither of the two screws is defective is 21/38.

1.  Only I is true

2.  Only II is true

3.  Both I and II is true

4.  Neither I nor II true

4

Only I is true

Explanation :
No Explanation available for this question

A box contain 8 red balls and 10 green balls. Suppose that 2 balls are drawn one after without replacement. The probability that I: second ball is

1.  Only I is true

2.  Only II is true

3.  Both I and II is true

4.  Neither I nor II true

4

Both I and II is true

Explanation :
No Explanation available for this question

If a,b,c are the probabilities of getting 2,3,4 heads when tossing 7 coins then the ascending order of a,b,c is

1.  a,b,c

2.  b,c,a

3.  c,a,b

4.  b,a,c

4

a,b,c

Explanation :
No Explanation available for this question

1.

2.

3.

4.

4