The capacity of a cuboid.al tank is 50000 litres of water. SURFACE AREAS AND VOLUMES 195 Find the breadth of the tank, if its length and depth are respectively 2.5 m and 10 m.

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?