Scroll:Mental Sums >> Mental Sums >> saq (1145)


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)  

Write 51625 as a decimal.






Answer:_______________




2)  

Write 92125 as a decimal.






Answer:_______________




3)  

Write 9225 as a decimal.






Answer:_______________




4)  

Write 71525 as a decimal.






Answer:_______________




5)  

Write 51825 as a decimal.






Answer:_______________




6)  

Write 7725 as a decimal.






Answer:_______________




7)  

Write 7925 as a decimal.






Answer:_______________




8)  

Write 81125 as a decimal.






Answer:_______________




9)  

Write 22125 as a decimal.






Answer:_______________




10)  

Write 71225 as a decimal.






Answer:_______________




 

1)  

Write 51625 as a decimal.





Answer: 4


SOLUTION 1 :
Step 1: 16 x 425 x 4  =  64100
     =  0.64
Step 2: 5 + 0.64  =  5.64


2)  

Write 92125 as a decimal.





Answer: 4


SOLUTION 1 :
Step 1: 21 x 425 x 4  =  84100
     =  0.84
Step 2: 9 + 0.84  =  9.84


3)  

Write 9225 as a decimal.





Answer: 1


SOLUTION 1 :
Step 1: x 425 x 4  =  8100
     =  0.08
Step 2: 9 + 0.08  =  9.08


4)  

Write 71525 as a decimal.





Answer: 4


SOLUTION 1 :
Step 1: 15 x 425 x 4  =  60100
     =  0.6
Step 2: 7 + 0.6  =  7.6


5)  

Write 51825 as a decimal.





Answer: 1


SOLUTION 1 :
Step 1: 18 x 425 x 4  =  72100
     =  0.72
Step 2: 5 + 0.72  =  5.72


6)  

Write 7725 as a decimal.





Answer: 1


SOLUTION 1 :
Step 1: x 425 x 4  =  28100
     =  0.28
Step 2: 7 + 0.28  =  7.28


7)  

Write 7925 as a decimal.





Answer: 2


SOLUTION 1 :
Step 1: x 425 x 4  =  36100
     =  0.36
Step 2: 7 + 0.36  =  7.36


8)  

Write 81125 as a decimal.





Answer: 1


SOLUTION 1 :
Step 1: 11 x 425 x 4  =  44100
     =  0.44
Step 2: 8 + 0.44  =  8.44


9)  

Write 22125 as a decimal.





Answer: 2


SOLUTION 1 :
Step 1: 21 x 425 x 4  =  84100
     =  0.84
Step 2: 2 + 0.84  =  2.84


10)  

Write 71225 as a decimal.





Answer: 4


SOLUTION 1 :
Step 1: 12 x 425 x 4  =  48100
     =  0.48
Step 2: 7 + 0.48  =  7.48