Question

2. Using divisibility tests, determine which of the following numbers are divisible by
4. by 8
(a) 572
(b) 726352
(c) 5500
(d) 6000
(e)12159
(f) 14560
(g) 21084
(h) 31795072
(I) 1700
(j)2150​

Answer 1

Answer:

Solution: (a) 572⇒ Divisible by 4 as its last two digits (72) are divisible by 4. ⇒ Not divisible by 8 as its last three digits(572) are not divisible by 8. (b) 726352 ⇒Divisible by 4 as its last two digits(52) are divisible by 4