Time Left : 00:00

Question Numbers



  • CURRENT QUESTION
  • NOT VISITED
  • ATTEMPTED
  • NOT ATTEMPTED
Back To Main Page
1. If A and B be two matrices of the same order, then

A

A + B ≠ A + B

B

A = B

C

A + B = B + A

D

none of the above

2. Determine the probability of drawing either an ace or a heart from a standard deck of 52 cards:

A

16/52

B

17/52

C

4/52

D

13/52

3. Revised probability is also know as:

A

Prior Probability

B

Posterior probability

C

Joint probability

D

None of the above

4. What is the probability of at least two heads on three tosses of a fair coin:

A

0.125

B

0.5

C

1

D

0.25

5. Which of the following statement is correct:

A

The inverse of the inverse is the original matrix itself

B

The inverse of the inverse is always null matrix

C

The inverse of the inverse is not possible

D

None of the above

6. Which of the following sets has only one subset:

A

{x,y}

B

{x}

C

{y}

D

{ }

7. The objects in a set are called:

A

Numbers

B

Terms

C

Elements

D

None of these

8. The coordinates of the vertex of the parabola y = x2 – 2x + 3 is ______

A

(2, 4)

B

(1, 3)

C

(2, 3)

D

(1, 2)

9. Which of the following includes all the elements of set B = {x : x is an integer, x2 ≤ 4}?

A

{–1, 0, 1, 2, 3}

B

{0, 1, 2, 3, 4}

C

{–2, –1, 0, –1}

D

{–2, –1, 0, 1, 2}

10. If p + 2q + r = 7, p + 3r = 11 and 2p – 3q = 1, then what is the value of (p2 + q2 + r2 )?

A

11

B

9

C

14

D

10

11. If the equation of the base of an equilateral triangle is x + y – 6 = 0 and the coordinates of its opposite vertex is (1, 3), then what is the area of the triangle?

A

2/√3

B

1/√3

C

5/√3

D

4/√3

12. For what value of K, the points (K, 2), (3, 5) and (9, 8) are collinear?

A

3

B

-3

C

-6

D

6

13. Which of the following includes all the subsets of set {a, b}?

A

ϕ, {a}, {b}, {a, b}

B

ϕ, {a}, {b}

C

{a}, {b}, {a, b}

D

{a}, {b}

14. If f(x) = [(x + 3)/(x2 + 1)], then what is the value of f`(1)?

A

–3/2

B

5/2

C

–5/2

D

3/2

15. Which of the following is an example of equivalent set?

A

P = {3, 6, 9, 12, 15} and Q = {x : x = 3n and 1 ≤ x < 6}

B

P = {5, 25, 125, 625} and Q = {x : x = 5n and 1 ≤ x ≤ 3}

C

P = {a, b, c, d} and Q = {d, c, a, b, e}

D

P = {2, e, 4, 5, g} and Q = {g, 1, 2, 4, 5, 6}

16. What is the distance between the points (4, 5) (7, 9)?

A

6

B

5

C

4

D

3

17. If f(x) = xn+2 and f`(1) = 14, then what is the value of n?

A

14

B

12

C

11

D

10

18. If P = {1, 2, 4, 5, 6}, then the number of subset of P is ______.

A

64

B

32

C

8

D

16

19. Differentiation of x3 + cosx + (1/x3 ) with respect to x is ______.

A

3x2 – sinx – (3/x4 )

B

3x2 – sinx + (2/x3 )

C

3x2 + sinx + (2/x3 )

D

3x2 + sinx – (2/x3 )

20. In a school 40 percent of the students travels by bus, 30 percent travels by car and 5 percent travels by both bus and car. What percent of total students travel by bus or car?

A

65 percent

B

70 percent

C

60 percent

D

55 percent