25 students can do a job in 12 days, but on the starting day, five of them informed me that they are not coming. By what fraction will the number of days required for doing the whole work get increased? A.3/5B.3/7C.3/4D.1/4

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?