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 / )


27 of 231 =


Answer:_______________




2)  

 Multiply:                   ( use / )


610 of 40 =


Answer:_______________




3)  

 Multiply:                   ( use / )


12 of 700 =


Answer:_______________




4)  

 Multiply:                   ( use / )


45 of 30 =


Answer:_______________




5)  

 Multiply:                   ( use / )


48 of 176 =


Answer:_______________




6)  

 Multiply:                   ( use / )


410 of 40 =


Answer:_______________




7)  

 Multiply:                   ( use / )


12 of 800 =


Answer:_______________




8)  

 Multiply:                   ( use / )


49 of 36 =


Answer:_______________




9)  

 Multiply:                   ( use / )


28 of 136 =


Answer:_______________




10)  

 Multiply:                   ( use / )


610 of 30 =


Answer:_______________




 

1)  

 Multiply:                   ( use / )


27 of 231 =

Answer: 66


SOLUTION 1 :

Given:

  27 x 231 =

 

2x{s5}231
7

 

 = 33 x 2

           Ans = 66.

 



2)  

 Multiply:                   ( use / )


610 of 40 =

Answer: 24


SOLUTION 1 :

Given:

  610 x 40 =

 

6x4 40
10

 

 = 4 x 6

           Ans = 24.

 



3)  

 Multiply:                   ( use / )


12 of 700 =

Answer: 350


SOLUTION 1 :

Given:

  12 x 700 =

 

1x350 700
2

 

 = 350 x 1

           Ans = 350.

 



4)  

 Multiply:                   ( use / )


45 of 30 =

Answer: 24


SOLUTION 1 :

Given:

  45 x 30 =

 

4x30
5

 

 = 6 x 4

           Ans = 24.

 



5)  

 Multiply:                   ( use / )


48 of 176 =

Answer: 88


SOLUTION 1 :

Given:

  48 x 176 =

 

4x{s5}176
8

 

 = 22 x 4

           Ans = 88.

 



6)  

 Multiply:                   ( use / )


410 of 40 =

Answer: 16


SOLUTION 1 :

Given:

  410 x 40 =

 

4x4 40
10

 

 = 4 x 4

           Ans = 16.

 



7)  

 Multiply:                   ( use / )


12 of 800 =

Answer: 400


SOLUTION 1 :

Given:

  12 x 800 =

 

1x400 800
2

 

 = 400 x 1

           Ans = 400.

 



8)  

 Multiply:                   ( use / )


49 of 36 =

Answer: 16


SOLUTION 1 :

Given:

  49 x 36 =

 

4x36
9

 

 = 4 x 4

           Ans = 16.

 



9)  

 Multiply:                   ( use / )


28 of 136 =

Answer: 34


SOLUTION 1 :

Given:

  28 x 136 =

 

2x{s5}136
8

 

 = 17 x 2

           Ans = 34.

 



10)  

 Multiply:                   ( use / )


610 of 30 =

Answer: 18


SOLUTION 1 :

Given:

  610 x 30 =

 

6x3 30
10

 

 = 3 x 6

           Ans = 18.