First Year

              

               Business Math              (Subjective part)

    

               Time : 01:30 hours             Marks : 50

                

                                SECTION- 1

2.      Write short answers of any twelve (12) parts of the following :

(1)   Define proportion   (2) Different types of proportion (03) Define ratio

(04)Reduce to its lowest terms 54 : 81 (05)Define an equation  (06) Define linear equation (07) Define  transposition (08) Eight time a number is 480 what is the number  (09) How many root are in a linear  equation ? (10)If ¼ of an amount is  50 find amount .(11) Define the binary number system (12)  Define decimal number system (13) Define Arabian  number system (14)  Define octal number system  (15) Define matrix  (16) Define order of matrix with example  (17) Define column matrix (18)  Define row matrix

                             

    section – 11  Attempt any two questions each Qus.. Carries 08 Marks

  3.(a) contractor agreed to mix gravel; sent and cement in the ratio  8 :5 : 3 in concrete work he used 48000 lbs of mixture in completed of work what is the quantity of each material used ?

(b) (110111)* (10101) base two                                             ( 04+04)= 08

04 (a) 2x-6y = -12

          3x -2 y = - 4

     Solve the following sets of equations with the help of Cramer’s rule

  

(b) 5x +6y =6

     3x – 4y =5

                      Solve the equation                                           (04+04) =08

 05. (A) solve for x,

           x – (x+1) = 2x – (2x + 3)

(b)  Find four consecutive integers whose sum is   106

 (04 +04) =08

Objective

  Q# 01       possible answer are given to each statement tick the correct one     10

       

   (1)   If a matrix contains single column and four row it is called.

          1. Column matrix 2. Row matrix 3.Null matrix 4. Square matrix

  02.  The transpose of a row matrix is a

             1. Row matrix 2. Column matrix 3. Zero matrix 4. Unit matrix

   03         The addition of binary number (11)2 + (10)2 is

             1. (100)2          2. (110)2            3.  (101)2       4. (111)2

04.  (101)2  *(111)2 is

       1. 10011)2     2. 100111)2        3. 101111)2    4. 100001)2

05   conversion of (1111)2   into decimal number is

    1. 10               2. 15               3. 20          4. 25

06.  A linear equation always has

       1. Two root 2.   No root         3.     Three   root          4. One root

07 A linear equation in one or more variable has exponent

 

 1. Zero         2.        One             3. Two            4.         Three

 08.  x: 5 :: 12 :30 is

  1. 3               2. 12      3.   2       4.          20

  09.  (a -4 ) : a = ( a+8 ) : ( a+4 )

 1 .4      2.           -1              03. – 08           04.         -2

  10. (111)2 + (100)2 is

  1.     1001               2. 1010              3.           1011              4.           01110