Scroll:Mental Sums >> Mental Sums >> mcq (96)

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 40 hundreds - 13






(                    )




2)  

What is 33 tens - 136






(                    )




3)  

What is 29 hundreds - 17






(                    )




4)  

What is 38 tens - 153






(                    )




5)  

What is 36 hundreds - 18






(                    )




6)  

What is 36 tens - 113






(                    )




7)  

What is 21 hundreds - 15






(                    )




8)  

What is 47 tens - 200






(                    )




9)  

What is 38 hundreds - 17






(                    )




10)  

What is 33 tens - 154






(                    )




 

1)  

What is 40 hundreds - 13





Answer: 4


SOLUTION 1 :

Step 1:

40 x 100 =  4000

Step2:

4000 - 13 = 3987



2)  

What is 33 tens - 136





Answer: 1


SOLUTION 1 :

Step 1:

33 x 10 = 330

 

Step 2:

330 - 136 =  194



3)  

What is 29 hundreds - 17





Answer: 1


SOLUTION 1 :

Step 1:

29 x 100 =  2900

Step2:

2900 - 17 = 2883



4)  

What is 38 tens - 153





Answer: 1


SOLUTION 1 :

Step 1:

38 x 10 = 380

 

Step 2:

380 - 153 =  227



5)  

What is 36 hundreds - 18





Answer: 3


SOLUTION 1 :

Step 1:

36 x 100 =  3600

Step2:

3600 - 18 = 3582



6)  

What is 36 tens - 113





Answer: 2


SOLUTION 1 :

Step 1:

36 x 10 = 360

 

Step 2:

360 - 113 =  247



7)  

What is 21 hundreds - 15





Answer: 1


SOLUTION 1 :

Step 1:

21 x 100 =  2100

Step2:

2100 - 15 = 2085



8)  

What is 47 tens - 200





Answer: 2


SOLUTION 1 :

Step 1:

47 x 10 = 470

 

Step 2:

470 - 200 =  270



9)  

What is 38 hundreds - 17





Answer: 2


SOLUTION 1 :

Step 1:

38 x 100 =  3800

Step2:

3800 - 17 = 3783



10)  

What is 33 tens - 154





Answer: 1


SOLUTION 1 :

Step 1:

33 x 10 = 330

 

Step 2:

330 - 154 =  176