Question

Mental Maths Questions
1. Factors of 4 are:
(i) 4 only
(ii) 1, 2 and 4
(ii) 2 and 4
(iv) 1 and 2
2. A number is exact divisor of an another number is called its:
(i) Factor
(ii) dividend
(iii) multiple
(iv) LCM
3. I is a factor of every number:
(i) always
(ii) sometimes (iii) never
(iv) none of these
4. Multiple of 5 are:
(i) 5, 10, 15, 20... (ii) 1, 2, 3, 4 ... (ii) 6, 7, 8, 9, ... (iv) all of these
5. The numbers whose only factors are 1 and the number itself are called:
(i) prime numbers
(ii) composite numbers
(iii) co-prime numbers
(iv) none of these.
5. The common multiple of 3, 4 and 9 is:
(i) 15
(ii) 18
(ii) 36
(iv) 24
. LCM of 24 and 90 is:
(i) 300
(ii) 320
(iii) 360
(iv) 400
Playing with Numbers
49​

Answer 1

Answer:

1. a

2. b

3. c

4 b

5 c

Step-by-step explanation:

please mark as branlist

Answer 2

Answer:

1. i

2. ii

3. i

4. i

5. i

6. iii