CLASS 6 PLAYING WITH NUMBERS QUIZ1

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Which of the following numbers is not a factor of 68? *

1 point

The smallest even number is *

1 point

The least prime number between 1 and 10 is *

1 point

The greatest prime number between 1 and 10 is *

1 point

Which of the following numbers is prime? *

1 point

1 is *

1 point

(a) a prime number

(b) a composite number

(d) an even number.

The prime number which is even, is *

1 point

(a) 2

(b) 3

(d) 13

Which of the following number is not a multiple of 27? *

1 point

a) 1

(b) 3

(d) 6

The smallest composite number is *

1 point

(a) 1

(b) 2

(d) 4

Which of the following numbers is composite? *

1 point

(a) 19

(b) 23

(d) 29

Which of the following statements is true? *

1 point

(a) The product of two even numbers is always even.

(b) The sum of three odd numbers is even.

(d) Prime numbers do not have any factors

Which of the following statements is false? *

1 point

(a) All even numbers are composite numbers, except 2.

(b) If an even number is divided by 2, the quotient may be odd or even.

(d) Sum of two prime numbers is not always even.

128 is divisible by *

1 point

(a) 2

(b) 3

(d) 10.

275 is divisible by *

1 point

(a) 5

(b) 3

(d) 8

The greatest common factor of 8 and 20 is *

1 point

a) 2

(b) 1

(d) 8.

The common factor of 9 and 15 is *

1 point

(a) 3

(b) 6

(d) 15

The common factor of 4 and 15 is *

1 point

(a) 1

(b) 2

(d) 5

Which of the following pairs of number are not co-prime? *

1 point

(a) 7,15

(b) 12,49

(d) 12,21

Which of the following pairs of number are co-prime? *

1 point

(a) 30,415

(b) 17, 68

(d) 15, 100

The greatest common factor of 5, 15 and 25 is *

1 point

(a) 1

(b) 5

(d) 15

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