Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. UNIBEN
  4. /
  5. General Paper
  6. /
  7. 2022/2023
  8. /
  9. Q10
Question 10

Find the identity element of the set S under the binary operation * defined by a*b = 2ab

  • A.1/2
  • B.1
  • C.0
  • D.-1/2
  • E.-1
Objective

Question details

Exam body
UNIBEN
Subject
General Paper
Year
2022/2023
Question no.
#10
Type
Objective
Previous · Q9Find all t such that $$|\begin{matrix}t-4 & 3 \\ 2 & t-9 \end{matrix}|$$ Next · Q11 $$^{226}_{88}Ra \rarr ^{x}_{86}Rn + \alpha$$ What is the value of x in the…

More from this paper

  • Q6Which of the following statement is not true?
  • Q7The following are the scores of ten students in a test of 20 marks: 16, 17, 13…
  • Q8If $$cot \theta = \frac{{a^2} - {b^2}}{2ab}$$ find cosec θ
  • Q12When naphthalene on heating changes from solid state directly to the gaseous…
  • Q13Which of the following is an electrolyte?
  • Q14The equation: $$^{14}_7N + ^4_2He \rarr ^{17}_{8}O + ^{1}_{1}P$$ represents
See all General Paper 2022/2023 questions
Teacha

Africa's learning & exam readiness platform. Built for students, tutors, and schools.

Platform

  • Courses
  • Mock Exams
  • Past Questions

For You

  • I'm a Tutor
  • I'm a School
  • Pricing

© 2025 Teacha. Built for African learners, tutors, and schools. Teacha is not affiliated with WAEC, NECO, or JAMB. All past questions are sourced from publicly available materials.

Privacy PolicyTerms of UseCookie Policy