In a circle two non-parralel chords AB and CD are given which distances are 8cm and 6 cm respectively from the centre, find the lengths of chords of AB and CD.

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?