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 81425 as a decimal.






Answer:_______________




2)  

Write 32125 as a decimal.






Answer:_______________




3)  

Write 4125 as a decimal.






Answer:_______________




4)  

Write 71025 as a decimal.






Answer:_______________




5)  

Write 62225 as a decimal.






Answer:_______________




6)  

Write 7425 as a decimal.






Answer:_______________




7)  

Write 6325 as a decimal.






Answer:_______________




8)  

Write 71825 as a decimal.






Answer:_______________




9)  

Write 21225 as a decimal.






Answer:_______________




10)  

Write 1825 as a decimal.






Answer:_______________




 

1)  

Write 81425 as a decimal.





Answer: 2


SOLUTION 1 :
Step 1: 14 x 425 x 4  =  56100
     =  0.56
Step 2: 8 + 0.56  =  8.56


2)  

Write 32125 as a decimal.





Answer: 2


SOLUTION 1 :
Step 1: 21 x 425 x 4  =  84100
     =  0.84
Step 2: 3 + 0.84  =  3.84


3)  

Write 4125 as a decimal.





Answer: 4


SOLUTION 1 :
Step 1: x 425 x 4  =  4100
     =  0.04
Step 2: 4 + 0.04  =  4.04


4)  

Write 71025 as a decimal.





Answer: 2


SOLUTION 1 :
Step 1: 10 x 425 x 4  =  40100
     =  0.4
Step 2: 7 + 0.4  =  7.4


5)  

Write 62225 as a decimal.





Answer: 3


SOLUTION 1 :
Step 1: 22 x 425 x 4  =  88100
     =  0.88
Step 2: 6 + 0.88  =  6.88


6)  

Write 7425 as a decimal.





Answer: 1


SOLUTION 1 :
Step 1: x 425 x 4  =  16100
     =  0.16
Step 2: 7 + 0.16  =  7.16


7)  

Write 6325 as a decimal.





Answer: 4


SOLUTION 1 :
Step 1: x 425 x 4  =  12100
     =  0.12
Step 2: 6 + 0.12  =  6.12


8)  

Write 71825 as a decimal.





Answer: 4


SOLUTION 1 :
Step 1: 18 x 425 x 4  =  72100
     =  0.72
Step 2: 7 + 0.72  =  7.72


9)  

Write 21225 as a decimal.





Answer: 1


SOLUTION 1 :
Step 1: 12 x 425 x 4  =  48100
     =  0.48
Step 2: 2 + 0.48  =  2.48


10)  

Write 1825 as a decimal.





Answer: 4


SOLUTION 1 :
Step 1: x 425 x 4  =  32100
     =  0.32
Step 2: 1 + 0.32  =  1.32