INTRODUCTION TO NUMBERS

Which of the followings is an odd number?

• 2

• 6

• 9

• 12

Which of the followings is a multiple of 4?

• 6

• 10

• 14

• 20

Which of the following is an even number?

• 231

• 268

• 375

• 599

Which of the followings is a prime number?

• 4

• 7

• 9

• 12

Which of the followings numbers is the greatest?

• 109

• 356

• 595

• 559

What is double of 40?

• 80

• 40

• 20

• 10

What is half of 60?

• 20

• 30

• 40

• 50

Work out:     $2\times3+5$  

• 6

• 11

• 16

• 21

Work out:     $10-3+5$  

• 2

• 8

• 11

• 12

Which of the followings is the smallest odd numbers?

• 21

• 8

• 14

• 17