I am a student of 11th standard and I kindly want to know that which book should I refer for 11 standard Jee preparations for physics mathematics and Chemistry sir can you send the photos of the book so that I can buy them easily

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?