14. Three mark exercise problems III

1. Assign the number for English alphabets as $1$ for $A$, $2$ for $B$ upto $26$ for $Z$.

 

Find the meaning of 

 

 

The meaning is .

 

2. Replace the letter by symbols as $+$ for $A$, $-$ for $B$, $\times$ for $C$ and $\div$ for $D$. Find the answer for the pattern $4B3C5A30D2$ by doing the given operations.

 

 

Solution $=$