Question

Using divisibility tests, determine which of the following numbers are divisible by 11:

(a) 5445 (b) 10824 (c) 7138965 (d) 70169308 (e) 10000001
(f) 901153
5. Write the smallest digit and the greatest digit in the blank space of each of the following
numbers so that the number formed is divisible by 3 :
(a) __ 6724 (b) 4765 __ 2

Answer 1

all of them are divisible except ans c.

5.) 26724(smallest) and 86724(highest)

476532(smallest) and 476592(highest)