Question

Check which of the following numbers are divisible by 9?
a)6789 b)32321 c)85784 d)7465938
Which digit should be put in blank so that the number is divisible by 3?
a) 7834_1 b)_451913
Find the common factors of
a) 56 and 150 b) 12, 18 and 24
Arrange the prime factors of 3350 in ascending orders.
Find the L.C. M of the following:
a) 42,78,104,112​

Answer 1

Answer:

Q1-a)6789

Q2-a)1

b)1

Step-by-step explanation:

Q1)6+7+8+9=30

3+0=3

that is divisible by 3

therefore 6789 is divisible by 9