Correct option is B
Given: 'RIPPLE' is written as '762248', and 'PREACH' is written as '278391'.
Logic: Each letter of the given words is coded as an individual code number.
R
→7; I
→6; P
→2; L
→4; E
→8; A
→3; C
→9; H
→1
Using these codes, get the code for 'CHAIR' -
C
→9; H
→1; A
→3; I
→6; R
→7
So, 'CHAIR' is coded as '91367'.
Thus, the correct answer is (b).