The students of a class arranged a picnic, each student contributed as many rupees as the number of students in the class. If the total contribution is Rs. 1156, find the strength of the class.

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?