The linear equation x=5 in two variables can be written as: 1) 1.x+5=10 2) 0.x+1.y+(−5)=0 3) 1.x+0.y+(−5)=0 4) 1.x+1.y+(−5)=0

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?