Question

using divisibility tests determine which of the following numbers are divisable by 4 or 3 ...(a) 4096 (b)647 (c)31795012​

Answer 1

Answer:

4096 is divisible by 4 and 31795012 is div by 3

DIVISIBILTY of 4 is last two digits should be divisuble by 4

DIVISIBILTY of 3: if the sum of the digits of the no. is divisible by 3 then the no. is divisible by 3

Answer 2

Answer:

31795012

Step-by-step explanation:

divisibility by 3

3+1+7+9+5+0+1+2=28

28 is divisible by 3

divisibility by 4

last two digit of 31795012

last two digits are 12

hence 12 is divisible by 4