SSC CHSL 6 Dec 2015 Shift 2 Paper

If all the letters of English alphabetical series are represented by consecutive natural numbers, i.e., A=1, B=2, C=3 and so on.
⇒ B=2, O=15, Y=25 = 2 + 15 + 25 = 42
Similarly, GIRL ≡ 7 + 9 + 18 + 12 = 46