Question 1 :
Among the following numbers, what is the missing digit which makes the number $653$_ exactly divisible by $5$?<br/>
Question 6 :
Choose the odd one out:<br/>$(1)$    $145$<br/>$(2)$    $120$<br/>$(3)$    $90$<br/>$(4)$    $105$<br/>
Question 7 :
If a number ends with $0$ or $5$, then the number is divisible by __.<br/>
Question 9 :
Which digit should come at $\ast$ to make the number divisible by 5 ?<br> 52678$\ast$
Question 11 :
Find the values of the letters in following, and give reason for the steps involved.<br/>${\;}A{\;}B$<br/>$\underline {\times {\;}6}$<br/>$\underline {B{\;}B{\;}B}$<br/>
Question 12 :
If the number $12 x 453$ is divisible by $9$, then digit at the place of $x$ will be
Question 13 :
What is the sum of all 3 digit numbers that leave a remainder of '2' when divided by 3?
Question 14 :
What is the sum of $289$ and $410$ in number name form(i.e. in words)? 
Question 15 :
Suppose that we have;   $\dfrac{4K8}{3}=m$<br/>In the equation above, $K$ is a digit in the three-digit number $4K8$, and $m$ is a positive integer. Which of the following could be the digit $K$?
Question 16 :
Find the values of the letters:<br/>    $ 8 A$<br/>   x $A$<br/>_____<br/>$B B 6$<br/>
Question 17 :
lf 24x is a multiple of 3, where x is a digit, whatis the value of x?
Question 18 :
Consider the number $N=8\ 7\ a\ 2\ 7\ 9\ 3\ 1\ b$, where $b$ is a digit at unit's place and $a$ is a digit at ten lakh's place. Answer the following questions. <br/>Number of values of $a+b$ for which $N$ is divisible by $11$ is
Question 19 :
Which number is one half of one quarter of one eighth of $326$?
Question 20 :
Consider the number $N=8\ 7\ a\ 2\ 7\ 9\ 3\ 1\ b$, where $b$ is a digit at unit's place and $a$ is a digit at ten lakh's place. Answer the following questions. <br/>The greatest value of $b$ for which $N$ is divisible by $8$ is