I AM IN CLAS 9 I HAVE BEEN SELECTED FOR

SOF IMO SECOND LEVEL

I GOT 46/60

PLEASE SUGGEST ME ANY BOOK OR ANY KIND OF SAMPLE PAPER

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?