कुछ लड़के एक पंक्ति में बैठे हैं। P बाईं ओर से चौदहवें स्थान पर बैठा है और Q दाईं ओर से सातवें स्थान पर है। यदि P और Q के बीच चार लड़के हैं, तो पंक्ति में कुल कितने लड़के हैं?

Among five people named V, W, X, Y and Z, each has a different age. Z is older than Y but younger than W. X is older than V but younger than Y. Who among them is the second oldest?

In a row of students facing North, P was standing 17th from the left end and 23rd from the right end. If Q was standing exactly in the middle of the row, what was Q's position from the left end?