Multilingual learning is ready for competitive exam preparation.
K Kiran InsightLearn. Practice. Rise.
Start practicing
Permanent question page

Math Chapter Wise question with answer

Read, practise, and share this question using its permanent link.

Question #46,072
Math Chapter Wise Modern Algebra English MCQ UP PCS (Pre) 2004

Q.If S denotes the set of all rational numbers except 1 and ‘*’ is defined on S as: a*b = a + b – ab, then the solution of the equation 2* x* 7 = 13

Continue practising
View category →
Q01 Let S7 denotes the group of permutations of the set {1,2,3, 4,5,6,7}. Which of the following is true? English · Bihar (TRE 1.0) -2023 Q02 Let φ(n) denotes the Euler totient function, then the value of φ(15) is equal to: English · OAVS TGT 2019 Q03 GLn (R) denotes the group of n × n non- singular matrices under the operation of matrix multiplication. Which one o... English · JSSC PGT 2018 Q04 If G is a finite group and o(a) denotes the order of a∈G, then for nay m∈Z. English · (GIC) Lecture Exam, 2015 Q05 Let 'S' be the set of all 2 × × × 2 matrices of the form a 0 b 0 where a, b are integers. Let 'R' be the ring of 2... English · UPPSC Polytechnic Lecturer 2021(II) Q06 The relation of isomorphism in the set of all groups is- English · UPPSC GIC 2021 UPPSC Ashram Paddhati 2021