Jamb 1983 Mathematics Questions
Question 21:
Find the angle of the sectors representing each item in pie chart of the following data 6, 10, 14, 16, 26
- A 15<sup style='font-size: smaller;'>o</sup>, 25<sup style='font-size: smaller;'>o</sup>, 35<sup style='font-size: smaller;'>o</sup>, 40<sup style='font-size: smaller;'>o</sup>, 65<sup style='font-size: smaller;'>o</sup>
- B 60<sup style='font-size: smaller;'>o</sup>, 100<sup style='font-size: smaller;'>o</sup>, 140<sup style='font-size: smaller;'>o</sup>, 160<sup style='font-size: smaller;'>o</sup>, 260<sup style='font-size: smaller;'>o</sup>
- C 6<sup style='font-size: smaller;'>o</sup>, 10<sup style='font-size: smaller;'>o</sup>, 14<sup style='font-size: smaller;'>o</sup>, 16<sup style='font-size: smaller;'>o</sup>, 26<sup style='font-size: smaller;'>o</sup>
- D 30<sup style='font-size: smaller;'>o</sup>, 50<sup style='font-size: smaller;'>o</sup>, 70<sup style='font-size: smaller;'>o</sup>, 80<sup style='font-size: smaller;'>o</sup>, 130<sup style='font-size: smaller;'>o</sup>
- E None of the above
Question 22:
The scores of 16 students in a Mathematics test are 65, 65, 55, 60, 60, 65, 60, 70, 75, 70, 65, 70, 60, 65, 65, 70. What is the sum of the median and modal scores?
- A 125
- B 130
- C 140
- D 150
- E 137.5
Question 23:
The letters of the word MATRICULATION are cut and put into a box. One letter is drawn at random from the box. Find the probability of drawing a vowel
- A \(\frac{7}{13}\)
- B \(\frac{5}{13}\)
- C \(\frac{6}{13}\)
- D \(\frac{8}{13}\)
- E \(\frac{4}{13}\)
Question 24:
Correct each of the numbers 59.81798 and 0.0746829 to three significant figures and multiply them, giving your answer to three significant figures
- A 4.46
- B 4.48
- C 4.47
- D 4.49
- E 4.50
Question 25:
If a rod of length 250cm is measured as 255cm long in error, what is the percentage error in the measurement?
View Answer & Explanation