# Sudoku

Sudoku is one among the latest crazy puzzle followed by many people throughout the world.

Worldwide the sudoku is being played with Numbers 1 to 9.

I have done so many different kinds of sudokus.

Diagonal sudoku

Multiplication sudoku

Diamond shaped sudoku

Zero sudoku

Fractional Sudoku

Encrypted Sudoku

and Sudoku for year

This sudoku 1953 satisfies all conditions of normal sudoku.

All the 3 x 3 small squares will give a total of 1953. All vertical, all Horizontal and additionally BOTH DIAGONAL totals are also gives 1953

# UPSIDE DOWN MAGIC SQUARE

Many different kinds of magic squares available throughout the world.

Upside down Magic square is one among them.

If you view this as shown below, this magic square will give a total of 24 in all Vertical, Horizontal and both Diagonal.

If you turn to 180 degree ( upside down) and then also it will give the same total of 24 in all Vertical, Horizontal and both diagonals.

I have done a 120 x 120 upside down Magic square.

# CHESS PUZZLES

There are so many other mind boggling games in the Chess Board, other than playing chess.

Some of the puzzles are given below

In a 8 x 8 Chess Board, you can put a maximum of 8 Queens ( each one is to be treated with the power of QUEEN).

One of the position is given below. There are 8 Queens available and check and satisfy by yourself that they are not cutting each other .

Believe. There are 92 different methods available. Try by yourself to find out more methods. Enjoy the new experience

64 knight(Horse) movement in a chess board. It is one of the hardest puzzles that can be solved by the Human Brain.

It is very tough to do, but it is possible.

Draw a 8 x 8 squares in a paper with Ballpoint pen and start writing 1,2,3 etc with a pencil. Start number one anywhere and continue the next number in a knight move method, till you are reaching 64.

See the magical thing in the picture given below. In the outer ring all the diagonally opposite numbers are having a difference of 6. Also in the second inner ring also the diagonally opposite numbers are giving a difference of 6 excepting 10 and 64

Some of my students ( Eighth Standard – 13 years) in Madurai have done more than 10 different methods. You can find infinite ways of doing this. Best wishes.

FIRST ROW PIECES PROBLEM

There are eight pieces available in the first row of the Chess Board.

They are One King, One Queen, two Bishop (camel) and two Knight (Horse) and two Rook (Elephant).

With these Eight pieces, when placed in some proper positions, they will guard all the sixty four squares with their own power. Please check and satisfy by yourself.

Once again, there are so many different methods available. Try to do it more and more methods

64 King move in a chess Board and 8 x 8 Magic square

In the following chess board, one King starts from number one and make 64 moves and completes his journey without any break.

Finally, if you add the numbers it will give a total of 260 in all vertical, Horizontal and both diagonals. Yes. It is a 8 x 8 Magic square also.

Try for other methods also.

# Thoppaen Magic Multiple

All fractions are fraction only. (Not to the power)

Enjoy the puzzle in more and more methods . Share the joyous occasions with others

# God’s Magic square

Generally a magic square is a square of any size “n x n ” filled with numbers. And after filling the numbers the Vertical, Horzontal and both diagonal totals must be equal.

In general the row total will be smallest number added with the highest number and divided by two, and then multiplied by the number of rows.

This is the minimum condition for any magic square in general.

In this above single square Magic square,

The vertical total is ONE, the Horizontal total is ONE and both Diagonal totals are also ONE

Finally as per the total formula also, 1 + 1 = 2 / 2 = 1 x 1 = 1.

It is satisfying all the conditions of a magic square.

This is called as God’s Magic Square

# Puzzling number Puzzles

There are many different kinds of puzzles for entertainment as well as to improve our knowledge as well.

In the above You have to write all numbers from 1 to 9 in the same arrangement and you can put any mathematical symbol as you know.

The result of the final format must be 100.

Remember. There are 320 different methods available.

Some of the solutions are given here for easy understanding.

Hope you will be finding this puzzle is very challenging and enjoyable.

# Reverse Magic Square

Reverse Magic Square is a very special kind of Magic square.

All numbers in the left side magic square are written in the reverse order in the right side magic square.

Surprisingly both or giving the same total of 2775

# Puzzle in a 4 x 4 Magic square

It is an interesting mind boggling puzzle.

There is a Magic square given in the left picture. In the right side picture all numbers are replaced by letters.

Normally all Horizontal, vertical and both diagonal totals are equal to 34

ie. A+B+C+D = 34, E+F+G+H = 34 etc….and A+E+P+W = 34 ….

Along with that if you select a set of four alphabets like E+H+R+Y =34.

E+F+R+S = 34 ……..

You can select so many sets of four numbers such that their total comes to 34. Remember there are around 80 different methods.

Try your best to get them

# Alphabet Magic square

In a very novel method, constructed this very special Magic square

# Session at School

Teaching of “FUN MATHS AND MIND GAMES” IN AN INNOVATIVE METHOD

Programmes conducted

Date Venue Students Attended

11-09-06 Thiagarajar college, Madurai (Inauguration of Maths Club) 100

08-12-06 Rotary club, Madurai West 20

27-12-06 Sri Ramana Madam, Tiruchchuli (Birth place of Sri Ramanar) 25

04-01-07 Madurai Distict Level Science Exhibition 200

02-03-07 Rotary club, Madurai North, Fortune Pandyan Hotel 25 13-03-07 Madurai Kamaraj University Teacher’s association 15

22-03-07 Thiagarajar college, Madurai (before NAAC committee 100 27-03-07 Sourashtra College for men (Maths club inaguraion) 175

16-05-07 T.V.S.Lakshmi Matriculation Higher Secondary School,

01-06-07 At Veeravanallur Indira Mat.Hr.Sec.School 20 22-07-07 Jain vidyalaya, Madurai 100

13-08-07 Rotary Metro, Madurai (Pasumalai Gateway Hotel) 50

28-09-07 Thiagarajar college of Engineering ( Tamilnadu-Kerala Mathematics Assn 3 days conference on Discreate Mathematics) 100

04-12-07 Rotary South, Madurai at Fortune Pandyan Hotel 15

06-02-08 Science Exhibition,Birla Planitarium,Chennai (3 days) 300

22-03-08 King’s college of Engineering, Thanjavur (2 Sessions) 500

16-04-08 Vellammal Mat. Hr. Sec/ School, Viraganur, Madurai (Summer camp) 60

22-04-08 Leonard Hearing impaired school, Viraganur, Madurai 40

22-04-08 Vellammal mat.Hr.Sec.School, Tiruppuvanam, Madurai (for Teachers) 10

15-05-08JAYA TV” DIRECT TELECAST PROGRAMME

(Dial Jaya TV- One Hour)

22-05-08 Young Scientist programme (By dept of HRD/DST) (American college) 80

29-06-08 DD TV/ MADURAI- TELE SERIAL “KANNIKKILE PULI” (Shown in DD I Podigai Eight TIMES within two years)

04-07-08 Oxford Matriculation Hr Sec. School, Sivagangai 300

08-07-08 Fatima college, Madurai (Maths club inauguration) 400

03-08-08 Living Word Church, Madurai 80

29-08-08 Maths. Exhibition, Poovandhi Women’s college, 500

18-10-08 Zonal Railway Training centre, Tiruchy 30

20-10-08 Ayyappan Temple, Crafort, Tiruchy 50

05-11-08 Meenakshi Sundaraeswarar Girl’s Higher Sec. School, Madurai- 300

15-12-08 To 18-12-2008 SIX SCHOOLS in the Kalppakkam Atomic Centre Nagar, 2000

07-02-09 Tamilnadu Science and Tech. Park, Birla Planetarium, Tiruchi 100

21-02-09 St.Joseph deaf and dumb School, Manamaduri 50

16-04-09 Tamilnadu Science and Tech. Park, Birla Planetarium, Tiruchy 75

26-04-09 KUMBAKONAM RAMANJUJAN MEMORIAL MATHS RESEARCH CENTRE, SASTRA, ON RAMANUJAN’S MEMORIAL DAY 100

13-05-09 Vellammal Mat.Hr.Sec.School, Virganoor, Madurai (Summer Camp) 40

28-02-09 Vellammal Engg,college, (Science Exhibition) 200

19-03-09 Vinayaka Mat.Hr.Sec.School, Sivakasi

(Cover story for SIVAKSI TIMES MAY 2009) 150

03-04-09 IN THE SCIENCE EXHIBITION TRAIN – AT MADURAI

STUDENTS 200

(Science express team at the mathematics training session. Conducted by T.R.Jothilingam, Station Master, Madurai )

03-04-09 FOR THE VOLUNTEERS OF THE SCIENCE EXHIBITION

(In the science exp Train at Madurai Jn. 20

29-03-09 Lady Doak college YOUNG SCIENTIST PROGRAMME

2 DAYS (HRD/DST) 100

15-07-09 Lady Doak College, Maths club inauguration 300

18-08-09 T.E.L.C. Girls Higher Secondary School, USILAMPATTI 400

06-12-09 Bharathiar Govt. Hr.Sec.School, Veeravanallur 300

11-3-10 Thiagarajar school of Management, Madurai 200

20,21-3-10 Zigma matriculation Higher secondary School, Chennai 100

28-7-10 Vellammal Engg. College “SCIENCE UTSAV 2010”, Madurai 200

12-8-10 The American College, Madurai, Maths club Inaguration 200

17-8-10 Government Saliar Higher Seconday School, Chattirappatti,

Rajapalayam. 400

19-8-10 Thiagarajar College of Engineering, Madurai

( Ramanujan Maths Colloquium ) 50

05-12-2010 Madurai VAIGAI CLUB ( RLY) 50

22-03-2011 Leonard Hearing impaired school, Virganoor, Madurai, 60 (Lips movement method)

1. Kendiriya Vidyalaya, Indian Institute of science, Bangalore

Two sessions 400

1. Kendirya Vidyalaya Sangathan, (KVS Head Quarters)

(For KVS principals and for KVS PG & UG Maths teachers) 15

26-4-2011 Ramanujan Museum and Math education centre Chennai 50

3 – 6- 2011 Science Express , Madurai Junction (For volunteers) 30

21-6-2011 SBOA school, Nagamalai, Madurai 400

9/10-8- 2011 Kuppam – Agastya International Foundation (Teachers) 20

30 – 8 2011 Vivekananda Institute of Engineering for women, Tiruchengode 300

13-10-2011 Wards of Railway employees , Madurai 30

24-11-2011 Madurai, Muthupatti, Refersher course for Teachers

Teaching arithmetic to Visually impaired” 30

2/3-02-2012 Madurai, Muthupatti special course for the teachers of the

Visually impaired schools of Tamil Nadu 35

7-2-2012 Students of eighth standard at Nilaiyur N.K.Kuppain school 70

14-2-2012 Chennai, National Institute of Visually Handicapped, Poonamallee 25

17-2-2012 Madurai, Sundarrajanpatti, Visually impaired school 30

9-3-2012 Rotarty club meeting, Hotel Sangam, Madurai 20

13-5-12 Natrankal – A Summer camp for students at Tirunagar 50

15-5-12 Sourashtra Chamber of Commerce – a spl family meet 50

21-5-12 Sourashtra Chamber of Commerce- Free classes proposed 50

22-5-12 Young Scientist programme – Thiagarajar College, Madurai 80

( Hosted by Dept.of Science and Technology, Newdelhi.)

9-7-12 Bharathiyar Higher Secondary School, Viravanallur 60

17-7-12 Vellammal Mat. Hr.sec.school, Madurai 100

19,20-7-12 Science Exhibition, Railway Mixed School, Madurai 200

7-8-12 Kamatchi Mat.Hr.Sec.School. Tuticorin 100

18-8-12 Science Express at Kudal Nagar Railway station 100

23-8-12 Railway Mixed Hr Sec. School, Madurai 120

31-8-12 Nilaiyur VAO programme 10

4-9-12 Dharangadhara Chemical Works school, Tiruchendur 200

8-11-12 Railway Mixed School, Madurai (9th an 10th Students) 100

9-11-12 Railway mixed School, Madurai (11th and 12th) 100

20-11-12 District Science Centre, Tirunelveli (Sponsored by TEST)

(Morning session 120 , Evening session 120) 240

1. Railway Mixed School, Perumbur, Chennai“ 150

30-11-12 Railway Mixed School, Perumbur, Chennai 150

29-11-12 Chennai Egmore Museum 75

25-12-12 Dhanalakshmi Engg. College, Tambaram, Chennai. 200

5 -2-13 Mannar college, Madurai 50

8-2-13 Mount Litra Zee school , Shalavandan 20

12-2-13 K.L.n.Teacher Training College, Madurai 100

12-3-13 Mother Theresa Teacher Training college 100

6 – 4- 13 Mount litra Zee School Annual Day – Chief Guest 100

26-4-13 SASTRA – KUMBAKONAM, Ramanujan Memorial day 150

10-6-13 Usilampatti college 50

11-8-13 Virvanallur Bharathiar school 50

8-10-13 Elango Corporation School, Madurai 100

28,29-12-13 Madurai Sourashtra High school Maths Exhibition 200

11,12-1-14 Madurai Gandhi Museum (Maths Exhibition with my own products) 500

15-1-14 Madurai Sourashtra High School, 40

23-1-14 Erode Railway Mixed High School 300

13-2-14 Kilakkari Islamiah School 200

26-2-14 Sourashtra women college 200

28-2-14 KLN college of Engg 120

4-3-14 Sourashtra times tv Serial 25

26-4-14 Sourashtra times TV serial -2 35

18-7-14 Inaguration of Commerce club: Thiagarajar college 160

25-7-14 Thiagarajar college of prospetors 120

27-7-14 Chellur Raghunath 50

8-8-14 CEOA school, Kanagavel colony 160

16-8-14 CEOA School, Madurai Main building, 120

25-8-14 N.K.Kuppaiyan Rathnamani memorial school, Nilaiyur, Madurai 100

27-8-14 Chellur Raghunath 40

11-9-14 Erode Railway school 200

12-10-14 Coimbatore Gujarati samaj 50

28-10-14 SACS MAVMM engg college 200

23-5-15 Sou.Chamber of commerce 30

1-7-2015 Vivekananda Engineering college for women, Thiruchengodu 500

2-7-2015 —————- do —————————————————- 500

3-7-2015 ————– do ——————————————— 500

13-7-2015 Vivekananda college for women, Arts and science college 200

22-12-2015 Ramanujan Museum, Chennai 80

19-2-2016 Nilaiyur School. Madurai (2 sessions) 100

23-2-2016 Kavibharathi School, Chennai (2 sessions) 160

25-5-2016 Kanniyakumari Vivekananda Kendra Teachers training Program 100

26-5-2016 ———do————- 100

27-5-2016 Kanniyakumari Vivekananda Kendra Teachers training Program 100

28-5-2016 —–do——

29-5-2016 —–do—–

MATHS EXHIBITION CONDUCTED AT VIVEKANANDA

KENDRA , KANNIYAKUMARY ON 29-05-2016

29-6-16 Vivekananda College of Engg., Tiruchengode 500

30-6-2016 –do—- 500

5-1-2017 sengalvarayan Polytechnic, Kanchipuram 100

6-1-2017 Sengalvaraan Poly technic,Chennai verperi 200

6-1-2017 Sengalvarayan High school, Chennai verpery 200

12-1-2017 N.K.Kuppian Rathnamani Meorial school, Madura nilayur 200

7-2-2017 Sattur S.R.memorial arts college, sattur 500

20-2-2017 Vadakkam patti Govt. High school, Chekkannoorani 100

10-4-2017 Priest house in Bangalore 30

24-04-2017 Vivekananda Kendra summer Camp, Tirupparankundram 50

06-05-2017 Vandiyur tution center 30

26-5-2017 Vivekananda Kendra teachers orientation program 110

27-5-2017 —–do —- 110

30-5-2017 Teachers orientation program Nilaiyur Nkk School, Madurai 40

6-7-2017 Government Girls Higher Secondary school, Rajapalayam 150

6-7-2017 Government Girls Higher Secondary school, Chattirappatti 50

26-7-2017 Pramathi Hillview Acadamy CBSE school, Mysuru 200

8-8-2017 Saint Claret High secondary school, Karumathur 300

7-9-2017 Burnpur school, Madhya predesh (For teachers orientation) 50

9-9-2017 Indore school, Madhya predesh (Teachers orientation Program) 50

9-9-2017 Indore Emerald Heights International school , M.P. 50

26-4-2018 Kumbakonam Sourashtra sabha 50

17-5-2018 Sourashtra sabha, Hosur 40

1 – 8 2018 — Attended Teachers’ Orientation Camp at Dibrugarh 120 2 – 8 2018 — do — 80

3 – 8 -2018 – do — 40

4-8-2018 Vivekanada Kendra Vidyalaya, Satia 120

4-8-2018 Vivekanada Kendra Vidyalaya, Roing Arunachala Predesh (evening ) 120

5-8-2018 Vivekanada Kendra Vidyalaya, Roing Arunachala Predesh (Morning) 120

6-8-2018 Vivekanada Kendra Vidyalaya, Bokulani (NEEPCO power plant) 150

7-8-2018 Vivekanada Kendra Vidyalaya, Tingrai 150

8-8-2018 Vivekanada Kendra Vidyalaya, Tinsukia 100

28-8-18 Vivekanada Kendra Vidyalaya, Guwahathi 100

29-8-18 Vivekanada Kendra Vidyalaya, Suklai 120

30-8-18 Vivekanada Kendra Vidyalaya, Kajalgaon 100

31-8-18 Vivekanada Kendra Vidyalaya, Nalbari 200

1-9-18 Vivekanada Kendra Vidyalaya, Demaji 200