Given: Only Hindi = 54; Only Mathematics = 63; Only English = 41; Both Mathematics & Hindi = 18; English, Hindi & Mathematics = 10.
The Venn diagram below shows the number of students good in Hindi and Mathematics but not in English. = Both Hindi & Mathematics – (Hindi, English & Mathematics) = {H ∩ B} – {H ∩ E ∩ M} = 18 – 10 = 8