The length of a rectangular plot of a land exceeds its breadth by 23 m. If the length is decreased by 15 m and the breadth is increased by 7 m, the area is reduced by 360 m2. Find the length and breadth of the plot.

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?