Question

Periodisment Test
October 2020
Marks : 25
Identifies and classifies different numbers such as odd, even, co-prime, prime and
composite number
Do as directed
1) Write Prime numbers between 20 to 30.
2) Determine if 263921 is divisible by 3
3) State whether 15 and 37 are Co-prime numbers
4) Ir a number is divisible by 5 and 12 then by which other number will it be
divisible
Uses HCF and LCM at appropriate condition
Do as directed
1) Find the HCF of 18.54.81
The traffic lights at three different road crossing change after systy 48 s ronds​

Answer 1

Answer:

Periodisment Test October 2020 Marks : 25 Identifies and classifies different numbers such as odd, even, co-prime, prime and composite number Do as directed 1) Write Prime numbers between 20 to 30. 2) Determine if 263921 is divisible by 3 3) State whether 15 and 37 are Co-prime numbers 4) Ir a number is divisible by 5 and 12 then by which other number will it be divisible Uses HCF and LCM at appropriate condition Do as directed 1) Find the HCF of 18.54.81 The traffic lights at three different road crossing change after systy 48 s ronds

Step-by-step explanation:

Answer 2

Answer:

1) 23,29

2) yes

3) yes becoz they have only 1 as a common factor

4) after 12 second