Surjeet is a part of the school cricket team and this year he has scored an average of 42 runs. He has played 6 innings so far and his scores in 5 of them are 45, 50, 48, 40, 50. What was his score in the last innings?

An iron pipe is kept against the wall as shown in the picture. The length of the pipe is 137 feet. Find the distance of the bottom end of the pipe from the wall.

Find the area of ^@ \triangle X Y Z ^@ in which ^@ Y = 90^\circ ^@, ^@Y Z = 51 \space cm, ^@ and ^@ X Z = 149 \space cm ^@. If ^@Y W \perp X Z^@, find the length ^@Y W^@.