1st Year Business Maths 3rd Quarter Book Paper

Q1. Multiple choice questions (Attempt all · 12 × 1 = 12)

1. The decimal number 23 in simplest form is:

   1. 3(10)⁰+2(10)¹

   2. 2(10)⁰+3(10)¹

   3. 2(10)⁰+3(10)²

   4. 3(10)+2(10)²

2. If , then matrix will be:

   1. 

   2. 

   3. 

   4. 

3. (9)10 in binary system is:

   1. (1010)₂

   2. (1001)₂

   3. (1100)₂

   4. (1000)₂

4.  matrix is:

   1. None-singular

   2. Singular

   3. Identity

   4. All

5. In the binary system 2 equals to:

   1. (10)₂

   2. (11)₂

   3. (101)₂

   4. (110)₂

6. In order of matrix A is 2 x 2 and order of matrix B is 2 x 1 then order of (AB)^t will be:

   1. 2 x 1

   2. 1 x 2

   3.  2 x 2

   4. 1 x 1

7. In computer 0 & 1 respectively is used for:

   1. On only

   2. Off only

   3. On & off

   4. Off & on

8. Order of the matrix [ 1 2 8 3] is:

   1. 3 x 1

   2. 3 x 3

   3. 1 x 3

   4. 1 x 2

9. Convert 37 into binary number is:

   1. (100111)₂

   2. (111101)₂

   3. (100101)₂

   4. (111000)₂

10.  is called:

    1. Transpose of A

    2. Inverse of A

    3. Minor of A

    4. Adjoint of A

11. Binary number system is based in the digits:

    1. 0 to 9

    2. 0 to 1

    3. 0 to 7

    4. 0 to 15

12.  matrix having single row is called:

    1. Row matrix

    2. Singular matrix

    3. Square matrix

    4. Null matrix