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 81625 as a decimal.






Answer:_______________




2)  

Write 2825 as a decimal.






Answer:_______________




3)  

Write 1125 as a decimal.






Answer:_______________




4)  

Write 61525 as a decimal.






Answer:_______________




5)  

Write 91225 as a decimal.






Answer:_______________




6)  

Write 11725 as a decimal.






Answer:_______________




7)  

Write 21925 as a decimal.






Answer:_______________




8)  

Write 5625 as a decimal.






Answer:_______________




9)  

Write 61125 as a decimal.






Answer:_______________




10)  

Write 2725 as a decimal.






Answer:_______________




 

1)  

Write 81625 as a decimal.





Answer: 4


SOLUTION 1 :
Step 1: 16 x 425 x 4  =  64100
     =  0.64
Step 2: 8 + 0.64  =  8.64


2)  

Write 2825 as a decimal.





Answer: 1


SOLUTION 1 :
Step 1: x 425 x 4  =  32100
     =  0.32
Step 2: 2 + 0.32  =  2.32


3)  

Write 1125 as a decimal.





Answer: 4


SOLUTION 1 :
Step 1: x 425 x 4  =  4100
     =  0.04
Step 2: 1 + 0.04  =  1.04


4)  

Write 61525 as a decimal.





Answer: 2


SOLUTION 1 :
Step 1: 15 x 425 x 4  =  60100
     =  0.6
Step 2: 6 + 0.6  =  6.6


5)  

Write 91225 as a decimal.





Answer: 4


SOLUTION 1 :
Step 1: 12 x 425 x 4  =  48100
     =  0.48
Step 2: 9 + 0.48  =  9.48


6)  

Write 11725 as a decimal.





Answer: 1


SOLUTION 1 :
Step 1: 17 x 425 x 4  =  68100
     =  0.68
Step 2: 1 + 0.68  =  1.68


7)  

Write 21925 as a decimal.





Answer: 1


SOLUTION 1 :
Step 1: 19 x 425 x 4  =  76100
     =  0.76
Step 2: 2 + 0.76  =  2.76


8)  

Write 5625 as a decimal.





Answer: 4


SOLUTION 1 :
Step 1: x 425 x 4  =  24100
     =  0.24
Step 2: 5 + 0.24  =  5.24


9)  

Write 61125 as a decimal.





Answer: 4


SOLUTION 1 :
Step 1: 11 x 425 x 4  =  44100
     =  0.44
Step 2: 6 + 0.44  =  6.44


10)  

Write 2725 as a decimal.





Answer: 1


SOLUTION 1 :
Step 1: x 425 x 4  =  28100
     =  0.28
Step 2: 2 + 0.28  =  2.28