Scroll:Number theory >> Divisibility rules >> saq (3886)


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)  

Which digit makes this sentence true

Is 30, 39 divisible by 2






Answer:_______________




2)  

Type a digit that makes this statement true.

2,  452,  88               is divisible by 10.


Answer:_______________




3)  

Is 5, 696, 695 divisible by 5




Answer:_______________




4)  

Is 76276 divisible by 2




Answer:_______________




5)  

8, 470, 65   is divisible by 10.




Answer:_______________




6)  

Which digit makes this sentence true

Is 27, 68 divisible by 2






Answer:_______________




7)  

Type a digit that makes this statement true.

3,  690,  31               is divisible by 10.


Answer:_______________




8)  

Is 6, 820, 820 divisible by 5




Answer:_______________




9)  

Is 21456 divisible by 2




Answer:_______________




10)  

5, 835, 64   is divisible by 10.




Answer:_______________




 

1)  

Which digit makes this sentence true

Is 30, 39 divisible by 2





Answer: 2


SOLUTION 1 :

Remember:

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

Solve:

Try the "divisible by 2" rule on 30, 39, 8.

Look at the units digit:

30, 39, 8

The units digit is 8.

The rule says that 30, 39, 8 is divisible by 2.



2)  

Type a digit that makes this statement true.

2,  452,  88        Answer: 0        is divisible by 10.


SOLUTION 1 :

Remember:

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

Since the number 2, 452, 88  is divisible by 10, the missing end digit must be 0.

 



3)  

Is 5, 696, 695 divisible by 5



Answer: 1


SOLUTION 1 :

Remember:

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

Solve:

Try the "divisible by 5" rule on 5, 696, 695.

Look at the units digit:

5, 696, 695

The units digit is 5.

The rule says that 5, 696, 695 is divisible by 5.



4)  

Is 76276 divisible by 2



Answer: 2


SOLUTION 1 :

Remember:

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

Solve:

Try the "divisible by 2" rule on 76, 27, 6.

Look at the units digit:

76276

The units digit is 6.

The rule says that 76, 27, 6 is divisible by 2.



5)  

8, 470, 65   is divisible by 10.



Answer: 1


SOLUTION 1 :

Remember:

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

Since the number 8, 470, 65 is divisible by 10,


The units digit is 6.

The rule says that 8, 470, 65 is not divisible by 10.

 



6)  

Which digit makes this sentence true

Is 27, 68 divisible by 2





Answer: 1


SOLUTION 1 :

Remember:

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

Solve:

Try the "divisible by 2" rule on 27, 68, 4.

Look at the units digit:

27, 68, 4

The units digit is 4.

The rule says that 27, 68, 4 is divisible by 2.



7)  

Type a digit that makes this statement true.

3,  690,  31        Answer: 0        is divisible by 10.


SOLUTION 1 :

Remember:

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

Since the number 3, 690, 31  is divisible by 10, the missing end digit must be 0.

 



8)  

Is 6, 820, 820 divisible by 5



Answer: 2


SOLUTION 1 :

Remember:

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

Solve:

Try the "divisible by 5" rule on 6, 820, 820.

Look at the units digit:

6, 820, 820

The units digit is 5.

The rule says that 6, 820, 820 is divisible by 5.



9)  

Is 21456 divisible by 2



Answer: 2


SOLUTION 1 :

Remember:

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

Solve:

Try the "divisible by 2" rule on 21, 45, 6.

Look at the units digit:

21456

The units digit is 6.

The rule says that 21, 45, 6 is divisible by 2.



10)  

5, 835, 64   is divisible by 10.



Answer: 2


SOLUTION 1 :

Remember:

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

Since the number 5, 835, 64 is divisible by 10,


The units digit is 7.

The rule says that 5, 835, 64 is not divisible by 10.