Playing with Numbers Test

Result

Playing with Numbers Test - 36

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Weekly Quiz Competition

Question 1
1 / -0

Identify the smallest two digit prime number

A
$10$

B
$11$

C
$13$

D
$17$

Solution
Question 2
1 / -0

Identify all one digit prime numbers.

A
$2, 3, 5$

B
$2, 3, 7$

C
$2, 3, 5, 7$

D
None of these

Solution
Question 3
1 / -0

Write first 10 multiples of 12 and 16. Find out all the common multiples. Which is smallest common multiple of 12 and 16?

A
36

B
96

C
80

D
48

Solution
Question 4
1 / -0

Write all the factors of 54 and 32 and write Highest common factor of 54 and 32

A
4

B
8

C
16

D
2

Solution
Question 5
1 / -0

Write all the factors of 5, 15 and 30. List out all the common factors and state highest common factor of 5, 15 and 30.

A
5

B
1

C
10

D
30

Solution
Question 6
1 / -0

The number $(9, 8)$ are _______ numbers.

A
Co-prime

B
Prime

C
Both prime and co-prime

D
None of these

Solution
Question 7
1 / -0

The co-prime numbers from the following pairs, is ________.

A
$7$ and $63$

B
$36$ and $25$

C
$35$ and $21$

D
$63$ and $81$
Question 8
1 / -0

What is the next-highest prime number after 67?

A
68

B
69

C
71

D
73

E
76

Solution
Question 9
1 / -0

The numbers which have more than two factors are called ______.

A
Prime

B
Composite

C
Both $(A)$ and $(B)$

D
None of these
Question 10
1 / -0

The number of four digited numbers formed by 2, 4, 5, 7, 8 divisible by 4 is

A
36

B
46

C
56

D
66