Question Text
Question 2 :
A number is divisible by 11 if the difference between the sum of its digits at its odd places and that of digits at the even places is either 0 or divisible by ___ .
Question 3 :
A three-digit number $42x$ is divisible by 9. Find the value of $x$.
Question 7 :
If $\stackrel{\underline{\begin{matrix}&1&P\\&\times&P\end{matrix}}}{\underline{\begin{matrix}&Q&6\end{matrix}}}$ where $Q-P=3$, then find the values of P and Q.
Question 8 :
If $\stackrel{\underline{\begin{matrix}&A&B\\\times&A&B\end{matrix}}}{\underline{\begin{matrix}6&A&B\end{matrix}}}$ , then find the valur of A and B.
Question 10 :
State true or False. A four-digit number $abcd$ is divisible by 4 if $ab$ is divisible by 4.
Question 11 :
Find the value of $k$ where $31k2$ is divisible by 6.
Question 16 :
Find the least value that must be given to a number $a$ so that the number $91876a2$ is divisible by 8.
Question 21 :
State true or False. If $213x27$ is divisible by 9, then the value of $x$ is 0.
Question 22 :
State true or False. A two-digit number $ab$ is always divisible by 2 if $b$ is an even number.
Question 24 :
The sum of a two-digit number and the number obtained by reversing the digits is always divisible by ___.
Question 25 :
If $x+y+z$= 6 and $z$ is an odd digit, then the three-digit number $xyz$ is
Question 26 :
Check what the result would have been if Sundaram had chosen 96.