TIFR (Tata Institute of Fundamental Research) by Cheenta Problems, sequential hints from TIFR Entrance for Ph.D. and Integrated Ph.D. Related Course Content ISI M.Math Entrance Combinatorics in matches: ISI MMA 2015 Question 4 Sample Lesson Combinatorics in sets: ISI MMA 2015 Question 5 Combinatorics in clubs: ISI MMA 2015 Question 6 Volume of simplex: ISI MMA 2018 Question 6 GCD of special numbers: ISI MMA 2018 Question 7 GCD of the remainders: ISI MMA 2018 Question 8 No of isosceles triangle: ISI MMA 2019 Question 1 No of rectangles: ISI MMA 2019 Question 2 Counting zeros in factorials: ISI MMA 2019 Question 3 No of common terms in AP: ISI MMA 2019 Question 4 Counting 6 reals: ISI MMA 2019 Question 5 TIFR Entrance Application of Cauchy Mean value theorem: TIFR GS 2019, Part B Problem 20 Uniform continuity: TIFR GS 2019, Part B Problem 19 Boundedness in the differential equation: TIFR GS 2019, Part B Problem 18 Infinite cyclic groups: TIFR GS 2019, Part B Problem 17 Groups on order: TIFR GS 2019, Part B Problem 16 Group of order 12: TIFR GS 2019, Part B Problem 15 Is it integral domain?: TIFR GS 2019, Part B Problem 14 Equation on ring: TIFR GS 2019, Part B Problem 13 Idempotent: TIFR GS 2019, Part B Problem 12 1 of 3