Scroll:Real number system >> Real numbers Ex 1.3 >> saq (4426)


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 / )


28 of 184 =


Answer:_______________




2)  

 Multiply:                   ( use / )


210 of 30 =


Answer:_______________




3)  

 Multiply:                   ( use / )


65 of 35 =


Answer:_______________




4)  

 Multiply:                   ( use / )


12 of 500 =


Answer:_______________




5)  

 Multiply:                   ( use / )


47 of 189 =


Answer:_______________




6)  

 Multiply:                   ( use / )


210 of 50 =


Answer:_______________




7)  

 Multiply:                   ( use / )


65 of 20 =


Answer:_______________




8)  

 Multiply:                   ( use / )


12 of 600 =


Answer:_______________




9)  

 Multiply:                   ( use / )


27 of 140 =


Answer:_______________




10)  

 Multiply:                   ( use / )


610 of 40 =


Answer:_______________




 

1)  

 Multiply:                   ( use / )


28 of 184 =

Answer: 46


SOLUTION 1 :

Given:

  28 x 184 =

 

2x{s5}184
8

 

 = 23 x 2

           Ans = 46.

 



2)  

 Multiply:                   ( use / )


210 of 30 =

Answer: 6


SOLUTION 1 :

Given:

  210 x 30 =

 

2x3 30
10

 

 = 3 x 2

           Ans = 6.

 



3)  

 Multiply:                   ( use / )


65 of 35 =

Answer: 42


SOLUTION 1 :

Given:

  65 x 35 =

 

6x35
5

 

 = 7 x 6

           Ans = 42.

 



4)  

 Multiply:                   ( use / )


12 of 500 =

Answer: 250


SOLUTION 1 :

Given:

  12 x 500 =

 

1x250 500
2

 

 = 250 x 1

           Ans = 250.

 



5)  

 Multiply:                   ( use / )


47 of 189 =

Answer: 108


SOLUTION 1 :

Given:

  47 x 189 =

 

4x{s5}189
7

 

 = 27 x 4

           Ans = 108.

 



6)  

 Multiply:                   ( use / )


210 of 50 =

Answer: 10


SOLUTION 1 :

Given:

  210 x 50 =

 

2x5 50
10

 

 = 5 x 2

           Ans = 10.

 



7)  

 Multiply:                   ( use / )


65 of 20 =

Answer: 24


SOLUTION 1 :

Given:

  65 x 20 =

 

6x20
5

 

 = 4 x 6

           Ans = 24.

 



8)  

 Multiply:                   ( use / )


12 of 600 =

Answer: 300


SOLUTION 1 :

Given:

  12 x 600 =

 

1x300 600
2

 

 = 300 x 1

           Ans = 300.

 



9)  

 Multiply:                   ( use / )


27 of 140 =

Answer: 40


SOLUTION 1 :

Given:

  27 x 140 =

 

2x{s5}140
7

 

 = 20 x 2

           Ans = 40.

 



10)  

 Multiply:                   ( use / )


610 of 40 =

Answer: 24


SOLUTION 1 :

Given:

  610 x 40 =

 

6x4 40
10

 

 = 4 x 6

           Ans = 24.