Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. WAEC
  4. /
  5. Mathematics
  6. /
  7. 2005
  8. /
  9. Q12
Question 12

Solve the equation \(2^7 = 8^{5-x}\)

  • A.\(\frac{5}{8}\)
  • B.\(\frac{8}{3}\)
  • C.\(\frac{3}{2}\)
  • D.\(\frac{15}{4}\)
Objective

Question details

Exam body
WAEC
Subject
Mathematics
Year
2005
Question no.
#12
Type
Objective
Previous · Q11Convert 101101 two to a number in base ten Next · Q13 expand (2x-3y)(x-5y)

More from this paper

  • Q8A fair die is tossed once, what is the probability of obtaining neither 5 or 2
  • Q9In the diagram, KL//MN, ∠LKP = 30 o and ∠NMP = 45 o . Find the size of the…
  • Q10In the diagram, PR is a diameter, ∠PRQ = (3x-8) o and ∠RPQ = (2y-7) o . s x in…
  • Q14Make f the subject of the relation \(v = u + ft\)
  • Q15The lengths of the adjacent sides of a right - angled triangle are xcm, (x-1)cm…
  • Q16The probability that John and James pass an examination are 3/4 and 3/5…
See all Mathematics 2005 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