Maths Zone by Dr Rajesh Kumar Thakur

September 29, 2019

To find N natural numbers not necessarily distinct such that their sum is equal to their product

To find N natural numbers not necessarily distinct such that their sum is equal to their product

2+2 =2×2

1+2+3=1×2×3

1+1+2=4=1×1×2×4

1+1+1+2+5=1×1×1×2×5

1+1+1+1+2+6=1×1×1×1×2×6

In general,

1+1+1+…..{(N-2) times}+2+N = 1×1×……{(N-2) times}×2×N

The above formula was published in Ramanujan Mathematical Society newsletter in June-2014 under problem and solution section.

Hitesh Jain

Teaching Maths(Quantitative Ability) for GRE,CAT,GMAT,SAT,IBPS,CRT and other Aptitude exams at Renaissance Educare Ahmedabad. I've trained close to 12000 students in last 10 years in different parts of the country. I was Awarded with Young Achiever Award by All India Ramanujan Maths Club in January 2014. Outstanding Achievements of Mr. Hitesh Tikamchand Jain: -  Mr. Jain is the recipient of the “The Young Achievement Award” awarded by AIRMC.  Resource person of Vidyarthi Vigyan Manthan(VVM) part of VIPNET(Vigyan Prasar Govt. of India).  He is the first Indian to write a book on Cryptarithmetic.  India Book of Records holder for his book “ABC OF CRYPTARITHMETIC”.  His popular question - “To find N natural numbers not necessarily distinct such that their sum is equal to their product” has been published under ‘Problems & Solutions’ section in the Ramanujan Mathematical Society Newsletter Vol. 24 #4, March and June 2014.  He has published 2 books: ‘ABC OF CRYPTARITHMETIC’ and ‘THE LITTLE BOOK ON SQUARE NUMBERS’.  Cracked CAT thrice, with 99.7%tile consistently in Quantitative Ability.

September 17, 2019

Triangle - MCQ- Class 10 - By Dr Rajesh Kumar Thakur

Dr. Rajesh Kumar Thakur

An author with 60 books, 62 e- books; columnist with 700 article published in various newspaper and magazine, blogger with 500 + blogs. India Book of Record Holder for writing 106 books on Mathematics. My books are published by Rupa, Britannica, Pustak Mahal, Scholastic, Prabhat, Ocean books, Rising Publishers, Amar Ujala. All my books are available on Amazon, Flipkart, Bookadda and google books. My weekly articles get published on Every Wednesday in Amar Ujala Newspaper. I also write column for Dainik Jagaran, Navbharat Times, Vigyan Pragati, Teacher Plus, Aviskar, Vigyan Aapke liye . Presently working at DIET Daryaganj as an Assistant Professor. I am also the Resource person working with CBSE, NCERT, NIOS, VVM, SSUN, AIRMC, VIPNET,IISF, Sarayu Trust, RIT Chennai, etc.