Video Lecture: Quick Tricks & Concept => Trigonometry Part -1 [English] Notice: JavaScript is required for this content.

# Maths

Video Lecture -Quick Tricks & Concept — Percentage [ English ] : Part -1 Notice: JavaScript is required for this content.

## Video Lecture – Quick Tricks & Concept– Percentage Part 1 ...

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## Official Website to download e-Books for competitive Exams

The “Number System” portion of maths is like it’s dna. Every student must have clear and conceptual knowledge of “Number System”. Therefore we have prepared below graph explaining it at basic level. Notice: JavaScript is required for this content.

## Quick Tricks & Concept — Maths Number System

Permutations and Combinations – Concept Explained Easily Do you always confuse “permutation” and “combination” — which one’s which? In case order/position of Subject matter’s, it is permutation else it is combination. Permutation – Example – let’s say you have to chose Prime minister and Finance minister out of 4 MP’s. […]

## How to master Permutations and Combinations concept.

Mental Calculations – Getting the result fast Addition of 5 When adding 5 to a digit greater than 5, it is easier to first subtract 5 and then add 10. For example, 7 + 5 = 12. Also 7 – 5 = 2; 2 + 10 = 12. Subtraction of […]

## Fast Arithmetic Tips

Trigonometric Formulas Trigonometric ratio is a ratio that describes a relationship between a side and angle of a triangle. The six trigonometric ratios (sin x, cos x, tan x, csc x, sec x, cot x) relate the sides of a right triangle to its angles. The trigonometric ratios are functions […]

## Trigonometric Formulas

HOW TO CALCULATE SQUARES UPTO 125 IN 5 SECONDS The only thing you have to do is to remember squares till 25 and remember them so well that if someone calls you in the night at 2 and asks you that what is square of 24 then you should say its […]

## HOW TO CALCULATE SQUARES UPTO 125 IN 5 SECONDS

Maths Tier – I & II Syllabus, Books & Strategy to crack SSC CGL Exam The SSC exams are placed at the IInd position after the Civil Services (IAS,IPS,IFS) in the domain of toughness, difficulty and mind boggling questions. In SSC exams you always have a giant syllabus to prepare. […]