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.
Most countries have pine trees (there are up to 125 types of pine) and the difference in the timbers from various pine trees are enormous. Generally speaking, pines fall into 3 broad categories: red pine, white pine and yellow pine.candinavian Red Pine. This is a reasonably dense pine that is ethically grown so itâs a popular choice that is used worldwide. It is distinctive because it tends to have pinkish stripes running through it.