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 41025 as a decimal.






Answer:_______________




2)  

Write 82325 as a decimal.






Answer:_______________




3)  

Write 32325 as a decimal.






Answer:_______________




4)  

Write 8125 as a decimal.






Answer:_______________




5)  

Write 6225 as a decimal.






Answer:_______________




6)  

Write 81525 as a decimal.






Answer:_______________




7)  

Write 9125 as a decimal.






Answer:_______________




8)  

Write 72225 as a decimal.






Answer:_______________




9)  

Write 3625 as a decimal.






Answer:_______________




10)  

Write 3225 as a decimal.






Answer:_______________




 

1)  

Write 41025 as a decimal.





Answer: 2


SOLUTION 1 :
Step 1: 10 x 425 x 4  =  40100
     =  0.4
Step 2: 4 + 0.4  =  4.4


2)  

Write 82325 as a decimal.





Answer: 3


SOLUTION 1 :
Step 1: 23 x 425 x 4  =  92100
     =  0.92
Step 2: 8 + 0.92  =  8.92


3)  

Write 32325 as a decimal.





Answer: 2


SOLUTION 1 :
Step 1: 23 x 425 x 4  =  92100
     =  0.92
Step 2: 3 + 0.92  =  3.92


4)  

Write 8125 as a decimal.





Answer: 4


SOLUTION 1 :
Step 1: x 425 x 4  =  4100
     =  0.04
Step 2: 8 + 0.04  =  8.04


5)  

Write 6225 as a decimal.





Answer: 2


SOLUTION 1 :
Step 1: x 425 x 4  =  8100
     =  0.08
Step 2: 6 + 0.08  =  6.08


6)  

Write 81525 as a decimal.





Answer: 1


SOLUTION 1 :
Step 1: 15 x 425 x 4  =  60100
     =  0.6
Step 2: 8 + 0.6  =  8.6


7)  

Write 9125 as a decimal.





Answer: 3


SOLUTION 1 :
Step 1: x 425 x 4  =  4100
     =  0.04
Step 2: 9 + 0.04  =  9.04


8)  

Write 72225 as a decimal.





Answer: 3


SOLUTION 1 :
Step 1: 22 x 425 x 4  =  88100
     =  0.88
Step 2: 7 + 0.88  =  7.88


9)  

Write 3625 as a decimal.





Answer: 3


SOLUTION 1 :
Step 1: x 425 x 4  =  24100
     =  0.24
Step 2: 3 + 0.24  =  3.24


10)  

Write 3225 as a decimal.





Answer: 4


SOLUTION 1 :
Step 1: x 425 x 4  =  8100
     =  0.08
Step 2: 3 + 0.08  =  3.08