A teak wood log is cut first in the form of a cuboid of length 2.3m, width 0.75m and a certain thickness. Its volume is 1.104m3 . How many rectangular planks of size 2.3m x 0.75m x 0.04m can be cut from the cuboid?

What are the differences between similar triangles and congruent triangles?

What are Armstrong numbers?

All real numbers are rational numbers.

A) True

B) False

The L.C.M of the smallest 2 digit composite number and the smallest composite number is:

• (a) 12
• (b) 4
• (c) 20
• (d) 44

Are all natural numbers also whole numbers?