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 […]


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. […]

How to prepare SSC Maths