Question

In a certain code, STAR is written as $5\$\ast 2$ and TORE is written as $\$32@$. How is OATS written in that code ?

• A. $3\ast 5\$$
• B. $3\ast \$5$
• C. $3\$\ast 5$
• D. $35\ast \$$
• E. None of these

Answer 1

The correct option is B $3\ast \$5$

In a certain code, STAR is written as
$S\to 5T\to \$A\to \ast$
$R\to 2$ ...(i)
and TORE is written as
$T\to \$O\to 3R\to 2$
$E\to @$ ...(ii)
From Eqs (i) and (ii), the code for OATS is written as
$O\to 3A\to \ast T\to \$S\to 5$