Related InterviewSolutions

• An element is said to be invertible only if there is an identity element in that binary operation.(a) True(b) FalseI have been asked this question in quiz.I'm obligated to ask this question of Binary Operations topic in division Relations and Functions of Mathematics – Class 12
• Which of the following is not a type of binary operation?(a) Transitive(b) Commutative(c) Associative(d) DistributiveI have been asked this question in exam.Asked question is from Binary Operations in division Relations and Functions of Mathematics – Class 12
• Let ‘*’ be a binary operation defined by a*b=3a^b+5. Find 8*3.(a) 1547(b) 1458(c) 1448(d) 1541This question was posed to me during an interview.The origin of the question is Binary Operations topic in division Relations and Functions of Mathematics – Class 12
• Let ‘*’ and ‘^’ be two binary operations such that a*b=a^2 b and a ^ b = 2a+b. Find (2*3) ^ (6*7).(a) 256(b) 286(c) 276(d) 275The question was posed to me in an internship interview.Question is taken from Binary Operations topic in section Relations and Functions of Mathematics – Class 12
• Let ‘*’ be a binary operation defined by a*b=4ab. Find (a*b)*a.(a) 4a^2 b(b) 16a^2 b(c) 16ab^2(d) 4ab^2This question was addressed to me in an internship interview.I want to ask this question from Binary Operations topic in chapter Relations and Functions of Mathematics – Class 12
• Let ‘*’ be defined on the set N. Which of the following are both commutative and associative?(a) a*b=a+b(b) a*b=a-b(c) a*b=ab^2(d) a*b=a^bThe question was posed to me in an online quiz.Enquiry is from Binary Operations in division Relations and Functions of Mathematics – Class 12
• Let ‘&’ be a binary operation defined on the set N. Which of the following definitions is commutative but not associative?(a) a & b=a-b(b) a & b=a+b(c) a & b=ab – 8(d) a & b=abI have been asked this question in a job interview.This interesting question is from Binary Operations in portion Relations and Functions of Mathematics – Class 12
• Let ‘*’ be a binary operation on N defined by a*b=a-b+ab^2, then find 4*5.(a) 9(b) 88(c) 98(d) 99I have been asked this question in examination.The origin of the question is Binary Operations topic in division Relations and Functions of Mathematics – Class 12
• Let a binary operation ‘*’ be defined on a set A. The operation will be commutative if ________(a) a*b=b*a(b) (a*b)*c=a*(b*c)(c) (b ο c)*a=(b*a) ο (c*a)(d) a*b=aThis question was addressed to me in my homework.I want to ask this question from Binary Operations topic in division Relations and Functions of Mathematics – Class 12
• Let M={7,8,9}. Determine which of the following functions is invertible for f:M→M.(a) f = {(7,7),(8,8),(9,9)}(b) f = {(7,8),(7,9),(8,9)}(c) f = {(8,8),(8,7),(9,8)}(d) f = {(9,7),(9,8),(9,9)}I got this question in an internship interview.This is a very interesting question from Composition of Functions and Invertible Function in division Relations and Functions of Mathematics – Class 12