HCF of 18 and 45 is
2
4
5
9
Which of the following number is divisible by 9?
631
729
949
223
Which of the following is a coprime number?
(5,6)
(2,4)
(3,9)
(4,12)
If a and b are coprime numbers, their HCF=
ab
1
a+b
LCM of 11 and 5 is
16
55
None of these
What is the relation between H.C.F and L.C.M of two natural numbers.
product of two given numbers = product of their L.C.M and H.C.F
sum of two given numbers = product of their their L.C.M and H.C.F
Difference of two given numbers = product of their their L.C.M and H.C.F
Which of the following number is divisible by 3?
730
123
____ is the factor of every number?
0
LCM of 8 and 15
30
60
120
130
If the product of two numbers is 8064 and their HCF is 12, then their LCM=
564
672
650
635
