A is 16th from the left end in a row of boys and V is 18th from the right end. G is 11th from A towards the…
A is 16th from the left end in a row of boys and V is 18th from the right end. G is 11th from A towards the right and 3rd from V towards the right end. How many boys are there in the row?
40
41
42
Cannot be determined due to insufficient data
Solution
A is 16th from left; G is 11th to the right of A, so G is at position $16 + 11 = 27$ from the left. G is 3rd from V towards the right end, so V is 3 positions left of G, i.e. V is at position $27 - 3 = 24$ from the left. V is 18th from the right end, so total $= 24 + 18 - 1 = 41$ boys.