Question

Using divisibility test determine which of the following numbers are

divisible:

(a) 1010010 Divisibility by 11
explain in brief

(b) 1604 Divisibility by 8​

Answer 1

Answer:

1010010 Divisibility by 11

mark odd and even place in 1010010

sum of odd place numbers 0 + 0 + 1=1

sum of even place numbers 1 +1 +0 +0=2

difference between 2-1=1

not divisible by 11

1604 Divisibility by 8

A number is divisible by 8 if the numbers formed by the last three digits is divisible by 8.

604/8 not equal to zero

so not divisible

pl mark brainliest answer