Scroll:Mental Sums >> Mental Sums >> mcq (95)

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)  

What is 100 less than 520






(                    )




2)  

What is 210 less than 890






(                    )




3)  

What is 100 less than 850






(                    )




4)  

What is 160 less than 570






(                    )




5)  

What is 390 less than 830






(                    )




6)  

What is 320 less than 730






(                    )




7)  

What is 180 less than 780






(                    )




8)  

What is 100 less than 860






(                    )




9)  

What is 170 less than 520






(                    )




10)  

What is 270 less than 860






(                    )




 

1)  

What is 100 less than 520





Answer: 4


SOLUTION 1 :

520 - 100 = 420



2)  

What is 210 less than 890





Answer: 4


SOLUTION 1 :

890 - 210 = 680



3)  

What is 100 less than 850





Answer: 4


SOLUTION 1 :

850 - 100 = 750



4)  

What is 160 less than 570





Answer: 2


SOLUTION 1 :

570 - 160 = 410



5)  

What is 390 less than 830





Answer: 4


SOLUTION 1 :

830 - 390 = 440



6)  

What is 320 less than 730





Answer: 3


SOLUTION 1 :

730 - 320 = 410



7)  

What is 180 less than 780





Answer: 2


SOLUTION 1 :

780 - 180 = 600



8)  

What is 100 less than 860





Answer: 1


SOLUTION 1 :

860 - 100 = 760



9)  

What is 170 less than 520





Answer: 3


SOLUTION 1 :

520 - 170 = 350



10)  

What is 270 less than 860





Answer: 3


SOLUTION 1 :

860 - 270 = 590