The difference between the LCM and HCF of the natural numbers a and b is 57. What is the minimum value of a + b? A. 22 B. 27 C. 31 D. 58

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?