Scroll:Real number system >> Real numbers Ex 1.3 >> saq (4407)


Written Instructions:

For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..

For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.

Leave your answers in the simplest form or correct to two decimal places.



 

1)  

 Multiply:                   ( use / )

4 x 104


Answer:_______________




2)  

 Multiply:                   ( use / )

9 x 76


Answer:_______________




3)  

 Multiply:                   ( use / )

510 x 5


Answer:_______________




4)  

 Multiply:                   ( use / )

4 x 42


Answer:_______________




5)  

 Multiply:                   ( use / )

5 x 56


Answer:_______________




6)  

 Multiply:                   ( use / )

78 x 5


Answer:_______________




7)  

 Multiply:                   ( use / )

6 x 62


Answer:_______________




8)  

 Multiply:                   ( use / )

9 x 96


Answer:_______________




9)  

 Multiply:                   ( use / )

710 x 3


Answer:_______________




10)  

 Multiply:                   ( use / )

8 x 84


Answer:_______________




 

1)  

 Multiply:                   ( use / )

4 x 104

Answer: 10


SOLUTION 1 :

Given:

  4 x 104

4x10
=
 
1040=10
44

 

    Ans = 10

 



2)  

 Multiply:                   ( use / )

9 x 76

Answer: 212


SOLUTION 1 :

Given:

9 x 76

= 9 x 7 / 6

= 636 =   212

 (OR)  = 10   36



3)  

 Multiply:                   ( use / )

510 x 5

Answer: 52


SOLUTION 1 :

Given:

  510 x 5 = 

 

5x5
=
 
52 =2 510
10

 

    Ans = 2 510

 



4)  

 Multiply:                   ( use / )

4 x 42

Answer: 8


SOLUTION 1 :

Given:

  4 x 42

4x4
=
 
816=8
22

 

    Ans = 8

 



5)  

 Multiply:                   ( use / )

5 x 56

Answer: 2 56


SOLUTION 1 :

Given:

5 x 56

= 5 x 5 / 6

= 2 56 =  2 56

 (OR)  = 4   16



6)  

 Multiply:                   ( use / )

78 x 5

Answer: 358


SOLUTION 1 :

Given:

  78 x 5 = 

 

5x7
=
 
358 =4 38
8

 

    Ans = 4 38

 



7)  

 Multiply:                   ( use / )

6 x 62

Answer: 18


SOLUTION 1 :

Given:

  6 x 62

6x6
=
 
1836=18
22

 

    Ans = 18

 



8)  

 Multiply:                   ( use / )

9 x 96

Answer: 272


SOLUTION 1 :

Given:

9 x 96

= 9 x 9 / 6

= 816 =   272

 (OR)  = 13   36



9)  

 Multiply:                   ( use / )

710 x 3

Answer: 2110


SOLUTION 1 :

Given:

  710 x 3 = 

 

3x7
=
 
2110 =2 110
10

 

    Ans = 2 110

 



10)  

 Multiply:                   ( use / )

8 x 84

Answer: 16


SOLUTION 1 :

Given:

  8 x 84

8x8
=
 
1664=16
44

 

    Ans = 16