A works twice as fast as B. If B can complete a work in 12 days independently, then the number of days in which A and B can together finish the work is: A. 4 days B. 6 days C. 8 days D. 18 days

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?