WAEC Mathematics questions: Progressions

22 questions with answers and explanations. Tap an option to check yourself.

All topics Binary operations · 13 Coordinate geometry · 20 Euclidean geometry · 26 Fractions, decimals, approximations and percentages · 29 Indices, logarithms and surds · 29 Inequalities · 17 Loci · 12 Mensuration · 27 Number bases · 24 Polynomials · 29 Probability · 23 Progressions · 22 Sets · 22 Statistics · 26 Trigonometry · 26 Variation · 19

Question 21· Progressions· WAEC
The sum of the first n terms of the arithmetic progression 3, 5, 7, ... is 120. Find n.
Explanation and discussion
Question 22· Progressions· WAEC
How many terms are in the arithmetic progression 5, 9, 13, ..., 81?
Explanation and discussion

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