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WAEC / NECO Mode47:25
Question 12 of 40
A closed cylindrical container has a base radius of 7 cm and a height of 10 cm. Calculate its total surface area in square centimeters. (Take π = 22/7)
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Exam Progress28%
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Passing Score: 50%Auto-Saved
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WAEC 2024 Practice ExamMathematics CBT
Exam Performance Analysis
Completed on October 24, 2024 at 10:45 AM. Detailed breakdown of speed, accuracy, and topic mastery.
Overall Score
82/100
+12% higher than previous attempt
Accuracy Rate
82%
41 Correct, 9 Incorrect out of 50 Questions
Time Spent
48m 12s
Avg 57s per question (60m allocated)
Pacing: OptimalNational Percentile
Top 8%
Compared to 14,280 active WAEC candidates
ExamMaster Mastery Badge Earned
AI Diagnostic Summary & Next Steps
You demonstrated strong performance in Algebra and Geometry. However, Calculus & Differentiation requires targeted practice before the final exam. Review the step-by-step AI explanations below to correct your approach on missed questions.
Topic Mastery Matrix
Performance grouped by WAEC syllabus topics and question categories.
Algebra & Linear Equations14/15 Correct (93%)
Mastered
Trigonometry & Identities8/10 Correct (80%)
Proficient
Calculus & Differentiation6/10 Correct (60%)
Needs Review
Geometry & Mensuration9/10 Correct (90%)
Mastered
Statistics & Probability4/5 Correct (80%)
Proficient
Detailed Question Breakdown
Review your submitted answers alongside verified solution steps.
Question 1Algebra & Linear Equations
Correct (+2 Marks)
Solve for x in the quadratic equation 2x^2 – 5x + 3 = 0 using the quadratic formula.
Ax = 1 or x = 3/2
Bx = -1 or x = -3/2
Cx = 2 or x = 1/2
Dx = 3 or x = -1
Question 2Calculus & Differentiation
BookmarkedIncorrect (0 Marks)
Find the derivative of f(x) = (3x^2 + 2x)(4x – 1) with respect to x.
A36x^2 + 10x – 2
B24x^2 + 8x – 1
C36x^2 + 10x + 2
D12x^2 + 4x – 2
Question 3Trigonometry & Identities
Correct (+2 Marks)
If sin(theta) = 3/5 and theta is in the first quadrant, evaluate tan(theta) + cos(theta).
A31/20
B12/25
C7/5
D27/20
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