Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. JAMB
  4. /
  5. Economics
  6. /
  7. 1990
  8. /
  9. Q0
Question 0

Economics of scale operate only when?

  • A.marginal cost is falling with input
  • B.average cost is falling with output
  • C.fixed cost is variable
  • D.variable cost is less than fixed cost
  • E.
Objective

Question details

Exam body
JAMB
Subject
Economics
Year
1990
Question no.
#0
Type
Objective
Previous · Q0A firm achieves least-cost in production by substituting factors until? Next · Q0 At the point of profit maximization by a firm, marginal cost is?

More from this paper

  • Q0If one orange costs 20k and one kilogram of beef costs N10.00, the opportunity…
  • Q0In economic life, choice among alternatives depends on the?
  • Q0One of the major advantages of specialization is that?
  • Q0Which of following rewards is associated with entrepreneurship as a factor of…
  • Q0A situation in which all inputs are doubled and output also doubles is known as?
  • Q0The law of diminishing marginal utility indicates that if a consumer increases…
See all Economics 1990 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