Difference of two natural numbers is always
an integer
a natural number
a whole number
a positive number
8 : 10 : 15 : 19
10 : 11 : 15 : 19
8 : 9 : 15 : 19
19 : 15 : 6 : 8
A.
8 : 10 : 15 : 19
HCF of two numbers is 9 and their LCM is 270. If the sum of the numbers is 99, their difference is equal to
18
15
12
9
Mode of the given data 25, 23, 22, 21, 24, 23, 25, 23, 22, 21, 23, 24, 23, 22, 23 is
23
22
21
24