2025 WAEC GCE FIRST Series Mathematics Questions and Answers

 2025 WAEC GCE 1st Series Mathematics Theory Questions and Answers Expo Runz

MATHS OBJ!!
01-10: CCBABBBBBA
11-20: BABCDDACBD
21-30: AABBADACBD
31-40: ABADABBCCB
41-50: CADBCBCBAA

COMPLETED

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OBJECTIVES

THEORY

THEORY ANSWERS

(8c)
From the histogram, the mode is determined as the class interval with the highest frequency. The class interval 30-39 has the highest frequency of 12.

:. Mode = Class Interval 30-39

(8d)
Midpoint= (Lower Bound+Upper Bound)/2

Midpoints: [14.5, 24.5, 34.5, 44.5, 54.5, 64.5, 74.5, 84.5]

Mean= ∑(Midpoint×Frequency)/ ∑(Frequency)

Total frequency (N) = 40

Total sum = (14.5×2)+(24.5×4)+(34.5×12)+(44.5×6)+(54.5×1)+(64.5×8)+(74.5×5)+(84.5×2)=1920

Mean = 1920/40 = 48