Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. UI
  4. /
  5. Mathematics
  6. /
  7. 2015/2016
  8. /
  9. Q22
Question 22

The radius of a circle is given as 8cm subject to an error of 0.2cm. What is the percentage error in the area of the circle?

  • A.1/16
  • B.1/8
  • C.1/4
  • D.2/12
Objective

Question details

Exam body
UI
Subject
Mathematics
Year
2015/2016
Question no.
#22
Type
Objective
Previous · Q21The prime factors of 2580 are Next · Q23 A cone with the sector angle of 30° is cut out of a circle of radius r cm…

More from this paper

  • Q17$(4.3)^2-(1.9)^2$ equals
  • Q18Solve the simultaneous linear equations y=3x,y = x + 1
  • Q19The sum of $42/3$ and $21/7$ is less than the difference between $13/5$ and…
  • Q20Akin deposited N5,000 in the bank at the rate of 10% simple interest. After some…
  • Q24Find the distance between two towns A(15°N, 20°W) and B(15°S…
  • Q25The variance of the scores 1,2,3,4,5 is
See all Mathematics 2015/2016 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