The average age of 30 boys in a class is 16 years The average of the ages of the boys and the teacher is 17 years The age of teacher is? avg of 30 is 16=30*16=480 avg of 30 and 1 teacher is 17=31*17=527 Save then age of teacher is 527-480=47... 2012mm is the average rainfall of mumbai for last 13 years.
Types of Lumber: Softwood and Hardwood. There are two types of lumber: softwoods and hardwoods. Softwood lumber comes from conifer trees like pine, fir, spruce, and cedar. These woods get their classification for a reason; they can be easily dented with just your fingernail.
1 Timber, a term common in the United Kingdom and Australia for unprocessed wood (the term Lumber is common in the USA and Canada).2  Timber bridge, a bridge made of wood. 3 Timber! is an exclamation that lumberjacks often shout out to warn others that a cut tree is about to fall. Timber, a term common in the United Kingdom and Australia for unprocessed wood (the term Lumber is common in the USA and Canada). 2  Timber bridge, a bridge made of wood.  3 Timber! is an exclamation that lumberjacks often shout out to warn others that a cut tree is about to fall.