Vinay Sharma and H K Thakur Solutions for Chapter: Playing With Numbers, Exercise 3: SELF PRACTICE 3.3

Is the following number divisible by $5$?
$27520$

Is the following number divisible by$11$?
$15440$

Is the following number divisible by $11$?
$12584$

Check whether the given number is divisible by $11$?
$10000001$

Is the following number divisible by$11$?
$70169803$

$1005$ is divisible by $10$
 

No number is divided by $0$.
 

$15$ is a factor of $105$ and $21$ is factor of $105$. Then $36$ and $6$ are also factors of $105$.