In a row of books a book of English is 16th from left end of row. A book of Mathematics is 12th from the right end. If the Mathematics book is 6th to the right of the English book, then how many total books are in the row?
33
32
34
31
A.
33
English = 16 from left end
Mathematics is 6th to the right of English
∴ Mathematics is = (16 + 6) = 22 from left end
and it is also '12' from right end (given)
∴ Total no of books = (22 + 12)-1 = 34 - 1 = 33
