A rectangular tank has a base that is 10 cm by 5 cm and a height of 20 cm. If the tank is half full of water, by how many centimeters will the water level rise if 325cm3 are poured in the tank?

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?