#### Term 2 - Numbers One Mark Questions

6th Standard

Reg.No. :
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Maths

Time : 00:30:00 Hrs
Total Marks : 15
5 x 1 = 5
1. The difference between two successive odd numbers is

(a)

1

(b)

2

(c)

3

(d)

0

2. The only even prime number is

(a)

4

(b)

6

(c)

2

(d)

0

3. The prime factorisation of 60 is 2 $\times$ 2 $\times$ 3 $\times$ 5. Any other number which has the same prime factorisation as 60 is

(a)

30

(b)

120

(c)

90

(d)

impossible

4. If the number 6354 * 97 is divisible by 9, then the value * is

(a)

2

(b)

4

(c)

6

(d)

7

5. The number 87846 is divisible by

(a)

2 only

(b)

3 only

(c)

11 only

(d)

all of these

6. 5 x 1 = 5
7. The number of prime numbers between 11 and 60 is________.

()

12

8. The numbers 29 and________ are twin primes.

()

31

9. 3753 is divisible by 9 and hence divisible by _________ .

()

3

10. The number of distinct prime factors of the smallest 4 digit number is ___________

()

2

11. The sum of distinct prime factors of 30 is_______.

()

10

12. 5 x 1 = 5
13. The sum of any number of odd numbers is always even

(a) True
(b) False
14. Every natural number is either prime or composite

(a) True
(b) False
15. If a number is divisible by 6, then it must be divisible by 3.

(a) True
(b) False
16. 16254 is divisible by each of 2, 3, 6 and 9.

(a) True
(b) False
17. The number of distinct prime factors of 105 is 3.

(a) True
(b) False