Sasi Math (Revised for 1024)

Scroll:Number theory >> Prime or composite >> saq (3704)

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.

Select the prime number.

1) 20
2) 12
3) 19
4) 21

Answer:_______________

Select all the numbers that are prime.

1) 12
2) 19
3) 20
4) 21

Answer:_______________

Which of the following numbers are prime

1) 5
2) 6
3) 9
4) 8

Answer:_______________

Which number is prime

1) 12
2) 11
3) 1
4) 15

Answer:_______________

Which of the following numbers are prime

1) 14
2) 1
3) 13
4) 9

Answer:_______________

Which of the following numbers are prime

1) 19
2) 16
3) 18
4) 20

Answer:_______________

Which number is prime

1) 16
2) 18
3) 17
4) 20

Answer:_______________

Which of the following numbers are prime

1) 6
2) 12
3) 7
4) 9

Answer:_______________

Which of the following numbers are prime

1) 13
2) 1
3) 9
4) 14

Answer:_______________

10)

Which of the following numbers are prime

1) 9
2) 18
3) 16
4) 23

Answer:_______________

Select the prime number.

1) 20
2) 19
3) 21
4) 12

Answer: 2

SOLUTION 1 :

Remeber:

The only factors of a prime number are 1 and itself.

Ans = 19

Select all the numbers that are prime.

1) 21
2) 20
3) 12
4) 19

Answer: 4

SOLUTION 1 :

Remeber:

The only factors of a prime number are 1 and itself.

Which of the following numbers are prime

1) 9
2) 6
3) 8
4) 5

Answer: 4

SOLUTION 1 :

Remember:

The only factors of a prime number are 1 and itself.

Which number is prime

1) 11
2) 15
3) 1
4) 12

Answer: 1

SOLUTION 1 :

Remember:

The only factors of a prime number are 1 and itself.
The number 1 is neither prime nor composite.

Which of the following numbers are prime

1) 9
2) 1
3) 13
4) 14

Answer: 3

SOLUTION 1 :

Remember:

The only factors of a prime number are 1 and itself.
The number 1 is neither prime nor composite.

Which of the following numbers are prime

1) 18
2) 20
3) 16
4) 19

Answer: 4

SOLUTION 1 :

Remember:

The only factors of a prime number are 1 and itself.

Which number is prime

1) 18
2) 16
3) 20
4) 17

Answer: 4

SOLUTION 1 :

Remember:

The only factors of a prime number are 1 and itself.
The number 1 is neither prime nor composite.

Which of the following numbers are prime

1) 9
2) 7
3) 12
4) 6

Answer: 2

SOLUTION 1 :

Remember:

The only factors of a prime number are 1 and itself.
The number 1 is neither prime nor composite.

Which of the following numbers are prime

1) 13
2) 1
3) 14
4) 9

Answer: 1

SOLUTION 1 :

Remember:

The only factors of a prime number are 1 and itself.
The number 1 is neither prime nor composite.

10)

Which of the following numbers are prime

1) 9
2) 18
3) 16
4) 23

Answer: 4

SOLUTION 1 :

Remember:

The only factors of a prime number are 1 and itself.