In a row of 45 boys; P is 18th from the left end and Q is three positions to the right of P. What is the position of Q from right end?
Answer & explanation
Correct answer: option 3
As P is 18th from the left end; therefore position of Q is 21st from left end.
Required answer;
Total number of person = Left position + Right position – 1
45 = 21 + Right position – 1
right position = 25