Scroll:Mental Sums >> Mental Sums >> mcq (93)


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 the difference between 509 and 400






(                    )




2)  

What is the difference between 890 and 114






(                    )




3)  

What is the difference between 870 and 441






(                    )




4)  

What is the difference between 679 and 127






(                    )




5)  

What is the difference between 961 and 476






(                    )




6)  

What is the difference between 761 and 468






(                    )




7)  

What is the difference between 864 and 124






(                    )




8)  

What is the difference between 892 and 292






(                    )




9)  

What is the difference between 681 and 100






(                    )




10)  

What is the difference between 662 and 402






(                    )




 

1)  

What is the difference between 509 and 400





Answer: 3


SOLUTION 1 :

509 - 400 = 109



2)  

What is the difference between 890 and 114





Answer: 2


SOLUTION 1 :

890 - 114 = 776



3)  

What is the difference between 870 and 441





Answer: 2


SOLUTION 1 :

870 - 441 = 429



4)  

What is the difference between 679 and 127





Answer: 4


SOLUTION 1 :

679 - 127 = 552



5)  

What is the difference between 961 and 476





Answer: 3


SOLUTION 1 :

961 - 476 = 485



6)  

What is the difference between 761 and 468





Answer: 1


SOLUTION 1 :

761 - 468 = 293



7)  

What is the difference between 864 and 124





Answer: 3


SOLUTION 1 :

864 - 124 = 740



8)  

What is the difference between 892 and 292





Answer: 2


SOLUTION 1 :

892 - 292 = 600



9)  

What is the difference between 681 and 100





Answer: 1


SOLUTION 1 :

681 - 100 = 581



10)  

What is the difference between 662 and 402





Answer: 2


SOLUTION 1 :

662 - 402 = 260