In racing over a given distance d at a uniform speed A can beat B by 30 M ,B can beat C by 20 M and A can beat C by 48 m . Find D in metres? With Explanation

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?