Wednesday, July 25, 2018 TathaGat Lessons , Verbal Lessons No comments

Noun

This lesson covers the fundamentals and types of nouns, knowledge of which will help you in B-school entrance exams like the NMAT, SNAP and IIFT.

So, let’s get started!

Noun: A noun is a word that is used to name a person, animal, place, thing, o...

Saturday, July 14, 2018 TG.Prabhat Entrance Exams 5 Comments

Take the test. Discover yourself.About the NMAT:

The NMAT by GMAC™ exam is used for admissions to some of the leading graduate business programmes in India.The score on this exam is accepted by SVKM’s NMIMS (Mumbai, Bangalore, Hyderabad), Xavier University (Bhubaneswar), Shiv Nad...

Friday, July 13, 2018 TG.Raman Lessons , Quant Lessons No comments

Some properties of natural numbers :

1•Sum of first n natural numbers : 1 + 2 + 3 +……+ n = n ( n +1)/2

2• Sum of squares of first n natural numbers : 1² + 2² + 3² +……+ n² = n ( n +1) ( 2n +1) /6

3• Sum of cubes of first n natural numbers : 1³ + 2...

Wednesday, July 11, 2018 TathaGat Geometry , Quant Lessons No comments

Similar Triangles

Similar Triangles

The current article deals with a frequently occurring topic in geometry in CAT- similarity of triangles. Most of you will notice that this topic is coming year after year in CAT and, as geometry questions in CAT are easy compare...

Wednesday, July 04, 2018 TathaGat Lessons , Quant Lessons 4 Comments

 Divisibility Rules
A. Divisibility by 2, 4, 8, 16, 32.

A number is divisible by 2, 4, 8, 16, 32,.. 2 when the number formed by the last one, two, three, four, five…n digits is divisible by 2, 4, 8, 16, 32,..2 respectively.

Example: 1246384 is...

Tuesday, July 03, 2018 TG.Raman Lessons , Quant Lessons No comments

LOGARITHM

If a is a positive real number other than 1, and am = x, then we can write: m = logax, and we say that the value of log x to the base a is m.
Examples:

(i) 104 = 10000     log10 10000 = 4.

(ii) 35 = 243     log3 243 = 5.

(iii) (0.1)3 = 0...

Friday, June 22, 2018 TathaGat Lessons , Quant Lessons No comments

Remainder Theorems

Remainders-CAT-MAT-GMAT

It is uncanny how children pick up a lot of small habits and beliefs of their parents. Even the ones that rebel against their parents bear the subconscious resemblance to their father or mother. There is a lesson for instructor...

Tuesday, June 19, 2018 TG.Raman Quant Lessons 6 Comments

Counting in Geometry


(a) In a plane, if there are n points of which no three are collinear, then

  1. The number of straight lines that can be formed by joining them is nC2.
  2. The number of triangles that can be formed by joining them is nC3.
  3. The numbe...
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