HCF and LCM Word Problems : In this section, we will learn how to solve word problems involving highest common factor and lowest common multiple. HCF and LCM Word Problems Problem 1 :Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together? (excluding the one at … [Read more...]

## BODMAS Rule – Definition, Formula and Example Questions

BODMAS RULE: We must remember the word VBODMAS in solving sums on simplification. These letters stand for vinculum, bracket, of, division, multiplication, addition and subtraction respectively. The sums on simplification must be solved in that order i.e., first solve vinculum followed by bracket and so on until the sum is solved.V Vinculum means bar as … [Read more...]

## Trig Cheat Sheet, Trig Identities, Inverse Trig Functions Cheat Sheet

Trig Cheat Sheet Trig Cheat Sheet: Trigonometry is the study of triangles, which contain angles, of course. Get to know some special rules for angles and various other important functions, definitions, and translations. Sines and cosines are two trig functions that factor heavily into any study of trigonometry; they have their own formulas and rules that you’ll want to … [Read more...]

## Total Surface Area of Cylinder, Volume of a Cylinder Formulas, Examples

Total Surface Area of a Cylinder: Let us carry out a small activity. Take a ring. We know that ring is circular in shape. Now place another ring on the first ring and so on. You will see that when you place such rings, the structure that you get is a cylinder, which is three dimensional. Let us learn about the volume of a Cylinder and Total Surface area of a Cylinder in this … [Read more...]

## Trigonometry Table

Trigonometry Table: Trigonometry is a branch of Mathematics deals with the study of length, angles and their relationships in a triangle. Trigonometric ratios are applicable only for right angle triangles, with one of the angle is equal to 90o Trigonometry Table The trig table is made up of the following of trigonometric ratios that are interrelated to each other – sin, cos, … [Read more...]