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? |
23rd 29th 25th 31st |
25th |
As P is 18th from the left end therefore, position of Q is 21st from left end. Required answer; T = L + R – 1 45 = 21 + R – 1 R = 25 |