Subject Experts Solutions for Chapter: Playing with Numbers, Exercise 1: Worksheet 1

In a puzzle, answer must be _____. $($Unique/ Common/ Ordinary/ General$)$

   $3 1 Q$  
    $+1 Q 3$
    $\overline{5 1 2}$ 

The value of $Q$ in the above addition is _____.

In $AB\times 6CAB$, the value of
 

$A=$_____            $B=$_____
$C=$_____

If $AB\times 4=192$, then $A+B=7$.

If $AB+7C=102$, where $B\ne 0, C\ne 0,$ then $A+B+C=14$.

The general form of a number $ab$ is $a\times 10+b$.

The general form of numbers are helpful in solving puzzles or number games.

$6\times 10+6$ is the usual form of the number $66$.