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# Business Mathematics Practice Test 1

1) 5 in binary system is equivalent to :

(A)  10

(B)  101

(C)  100

(D)  110

Option C

2) The transpose of the row matrix is:

(A)  Diagonal matrix

(B)  Column matrix

(C)  Scalar matrix

(D)  Row matrix

Option C

3) The ratio between 6kg and 54 kg is:

(A)  1 : 8

(B)  1 : 3

(C)  1 : 9

(D)  3 : 9

Option A

4) The value of x in x: 4:: 5 :4 is :

(A)  5

(B)  4

(C)  16

(D)  10

Option C

5) 160 is what percentage of 80?

(A)  50%

(B)  200%

(C)  100%

(D)  300%

Option B

6) The point (4, -3) lies in the quadrant:

(A)  I

(B)  II

(C)  III

(D)  IV

Option C

7) If 4x – 6 = 2x + 8, the value of x will be:

(A)  4

(B)  5

(C)  6

(D)  7

Option C

8) If 2x + 3y = 5 and x=-2, then the value of y is:

(A)  1/3

(B)  1

(C)  3

(D)  9

Option C

9) The order of the matrix is

(A)  1 x 1

(B)  1 x 2

(C)  2 x 1

(D)  2 x 2

Option C

10)  The matrix

is :

(A)  Singular

(B)  Non singular

(C)  Diagonal

(D)  Identity

Option C

11) 20% of Rs. 1200 is:

(A)  Rs. 100

(B)  Rs. 24

(C)  Rs. 240

(D)  Rs. 200

Option C

12) The ratio between 3.5 kg and 7.5 kg is:

(A)  5 : 7

(B)  3 : 7

(C)  7 : 15

(D)  15 : 7

Option C

13) P x y x t is used to calculate:

(A)  Simple interest

(B)  Compound interest

(C)  Annuity

(D)  Amount

Option C

14) For the relation { (1,4) , (2,7) , (3,10), the set { 1 2 30 } is called:

(A)  Domain

(B)  Range

(C)  Function

(D)  Set

Option C

15) A Linear Equation always has:

(A)  Three roots

(B)  Two roots

(C)  No roots

(D)  One root

Option C

16) If 4x – 6 = 2x + 8, the value of “x”. :

(A)  4

(B)  5

(C)  6

(D)  7