Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. NDA
  4. /
  5. Mathematics
  6. /
  7. 2013/2014
  8. /
  9. Q12
Question 12
The table shows marks obtained by 20 students in an examination
scores(x)12345
Frequency(y)24k810
If the average score for the students was 5.5, find the value of k. Correct to the nearest whole number
  • A.7
  • B.5
  • C.4
  • D.6
Objective

Question details

Exam body
NDA
Subject
Mathematics
Year
2013/2014
Question no.
#12
Type
Objective
Previous · Q11In how many ways can 5 different people he arranged in a car which has five… Next · Q13 A student scored the following marks in an examination, Mathematics 62%, Physics…

More from this paper

  • Q8In the figure above L 1 is parallel to L 2 and L 2 is parallel to L 3 . What is…
  • Q9A coin is tossed 3 times. What is the probability of having at least 1 head?
  • Q10Musa writes 8 papers and failed 3 papers. Jide wrote 6 papers and failed 2…
  • Q14Find the perimeter of an equilateral triangle where area is 72cm 2 .
  • Q15The sum of 10th terms of an AP is 30 and its 12th term is 36. Find the first…
  • Q16If T varies inversely proportional to P and directly to U. formulate the problem
See all Mathematics 2013/2014 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