In a mathematics test given to 15 students, the following marks (out if 100) are recorded: 41,39,48,52,46,62,54,40,96,52,98,40,42,52,60 Find the mean, median and mode of this data.

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?