Scroll:Division >> Divisibility rules >> mcq (3695)


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)  

 Is 82908 divisible by 9




(                    )




2)  

 Is 18120 divisible by 10




(                    )




3)  

 Is 691829 divisible by 10




(                    )




4)  

 Is 99585 divisible by 5




(                    )




5)  

 Is 32689 divisible by 2




(                    )




6)  

 Is 44786 divisible by 2




(                    )




7)  

 Is 25950 divisible by 6




(                    )




8)  

 Is 43012 divisible by 4




(                    )




9)  

 Is 97419 divisible by 3




(                    )




10)  

 Is 19215 divisible by 9




(                    )




 

1)  

 Is 82908 divisible by 9



Answer: 2


SOLUTION 1 :

Reaminder

A number is divisible by 9 if the sum of its digits is divisible by 9. .

Try the "divisible by 9" rule on 82908

Find the sum of the digits:

a+b+c+d+e

 is divisible by 9.

The rule says that 82908 is divisible by 9.



2)  

 Is 18120 divisible by 10



Answer: 2


SOLUTION 1 :

Reaminder

A number is divisible by 10 if its units digit is 0.

Try the "divisible by 10" rule on 18120

Look at the units digit:

18120

The units digit is 

The rule says that 18120 is divisible by 10.



3)  

 Is 691829 divisible by 10



Answer: 2


SOLUTION 1 :

Reaminder

A number is divisible by 10 if its units digit is 0.

Try the "divisible by 10" rule on 691829

Look at the units digit:

691829

The units digit is not in 0

The rule says that 691829 is not divisible by 10.



4)  

 Is 99585 divisible by 5



Answer: 1


SOLUTION 1 :

Reaminder

A number is divisible by 5 if its units digit is 0 or 5.

Try the "divisible by 5" rule on 99585

Look at the units digit:

99585

The units digit is 

The rule says that 99585 is divisible by 5.



5)  

 Is 32689 divisible by 2



Answer: 2


SOLUTION 1 :

Reaminder

A number is divisible by 2 if its units digit is 0, 2, 4, 6, or 8.

Try the "divisible by 2" rule on 32689

Look at the units digit:

32689

The units digit is 

The rule says that 32689 is not divisible by 2.



6)  

 Is 44786 divisible by 2



Answer: 2


SOLUTION 1 :

Reaminder

A number is divisible by 2 if its units digit is 0, 2, 4, 6, or 8.

Try the "divisible by 2" rule on 44786

Look at the units digit:

44786

The units digit is 

The rule says that 44786 is divisible by 2.



7)  

 Is 25950 divisible by 6



Answer: 1


SOLUTION 1 :

Reaminder

A number is divisible by 6 if it is divisible by both 2 and 3.
It is divisible by 2 if its units digit is 0, 2, 4, 6, or 8.
It is divisible by 3 if the sum of its digits is divisible by 3.

Try the "divisible by 6" rule on 25950.

First check if 25950 is divisible by 2.

Look at the units digit:

25950

So, the number is divisible by 2.

Now check if 25950 is divisible by 3.

Find the sum of the digits: a+b+c+e+d

 is divisible by 3. So, the number is divisible by 3.

The rule says that 25950 is divisible by 6.
 



8)  

 Is 43012 divisible by 4



Answer: 1


SOLUTION 1 :

Reaminder

A number is divisible by 4 if the number formed by its last two digits is divisible by 4.

Try the "divisible by 4" rule on 43012.

 

Look at the number formed by the last two digits:

The rule says that 43012 is  divisible by 4.

 



9)  

 Is 97419 divisible by 3



Answer: 2


SOLUTION 1 :

Reaminder

A number is divisible by 3 if the sum of its digits is divisible by 3.

Try the "divisible by 3" rule on 97419

Find the sum of the digits:

a+b+c+d+e

 is divisible by 3.

The rule says that 97419 is divisible by 3.



10)  

 Is 19215 divisible by 9



Answer: 2


SOLUTION 1 :

Reaminder

A number is divisible by 9 if the sum of its digits is divisible by 9. .

Try the "divisible by 9" rule on 19215

Find the sum of the digits:

a+b+c+d+e

 is divisible by 9.

The rule says that 19215 is divisible by 9.