Playing with Numbers Sample Questions for Class 6
Question 1
Find the other number, if LCM of two numbers is 90 and HCF is 3 and one of the numbers is 18.
A. 21
B. 12
C. 15
D. 27
Question 2
The number 23550 is divisible by 2 and 6 , it is also divisible by ___ and ___.
A. 3 and 5
B. 4 and 5
C. 3 and 7
D. 4 and 8
Question 3
Which of the following is not the factor of 240?
A. 48
B. 50
C. 15
D. 16
Question 4
The LCM of two consecutive natural number is ______
A. 1
B. Their sum
C. Their difference
D. Their product
Question 5
How many twin prime number pairs are there between 50 to 100?
A. 2
B. 1
C. 0
D. 3