Question

In a certain code, '467' means leaves are green' ;
485' means green is good' and '639' means they
are playing . Which digit stands for leaves' in that
code ?

• A. $4$
• B. $6$
• C. $7$
• D. $3$

Answer 1

Answer: (C)

$7$

Given, 'Leaves are green' $\equiv$ '467'...(i)
'Green is goos' $\equiv$ '485'...(ii)
and 'They are playing' $\equiv$ '639'...(iii)
From equations (i) and (iii), 'are' is coded as 6'
From equations (i) and (ii), 'green' is coded as 4'
From equation (i), 'Leaves' is coded as '7'.