Question

In a certain code, if TREE is coded as 7100, FROG as 2159, how is FREE coded in that code?

• A. 2100
• B. 3100
• C. 1003
• D. 1002

Answer 1

Answer: (A)

2100

• The answer is option $A$
• We can decode the code by assigning the alphabet to the corresponding number in the same position. Hence

$T\to 7$

$R\to 1$

$E\to 0$

$F\to 2$

$O\to 5$

$G\to 9$

• $\therefore FREE\to 2100$