Basic Maths and Reasoning MCQs (page 147 of 212)
Percentages, ratios, averages, profit and loss, speed and time, number series and simple logical reasoning, with the working shown for every answer.
4,221 questions. Select an option to check your answer, or open "Show answer". Showing 2921–2940.
- 2921.
What comes next in the series 11, 55, 275, 1,375, ...?
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Answer: C. 6,875
Each term is multiplied by 5: 1,375 × 5 = 6,875.
- 2922.
What comes next in the series 12, 60, 300, 1,500, ...?
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Answer: C. 7,500
Each term is multiplied by 5: 1,500 × 5 = 7,500.
- 2923.
What comes next in the series 1, 4, 9, 16, ...?
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Answer: D. 25
These are squares: 1², 2², 3², 4²; next is 5² = 25.
- 2924.
What comes next in the series 4, 9, 16, 25, ...?
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Answer: C. 36
These are squares: 2², 3², 4², 5²; next is 6² = 36.
- 2925.
What comes next in the series 9, 16, 25, 36, ...?
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Answer: C. 49
These are squares: 3², 4², 5², 6²; next is 7² = 49.
- 2926.
What comes next in the series 16, 25, 36, 49, ...?
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Answer: B. 64
These are squares: 4², 5², 6², 7²; next is 8² = 64.
- 2927.
What comes next in the series 25, 36, 49, 64, ...?
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Answer: C. 81
These are squares: 5², 6², 7², 8²; next is 9² = 81.
- 2928.
What comes next in the series 36, 49, 64, 81, ...?
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Answer: B. 100
These are squares: 6², 7², 8², 9²; next is 10² = 100.
- 2929.
What comes next in the series 49, 64, 81, 100, ...?
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Answer: C. 121
These are squares: 7², 8², 9², 10²; next is 11² = 121.
- 2930.
What comes next in the series 64, 81, 100, 121, ...?
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Answer: D. 144
These are squares: 8², 9², 10², 11²; next is 12² = 144.
- 2931.
What comes next in the series 81, 100, 121, 144, ...?
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Answer: C. 169
These are squares: 9², 10², 11², 12²; next is 13² = 169.
- 2932.
What comes next in the series 100, 121, 144, 169, ...?
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Answer: B. 196
These are squares: 10², 11², 12², 13²; next is 14² = 196.
- 2933.
What comes next in the series 121, 144, 169, 196, ...?
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Answer: C. 225
These are squares: 11², 12², 13², 14²; next is 15² = 225.
- 2934.
What comes next in the series 144, 169, 196, 225, ...?
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Answer: C. 256
These are squares: 12², 13², 14², 15²; next is 16² = 256.
- 2935.
What comes next in the series 169, 196, 225, 256, ...?
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Answer: D. 289
These are squares: 13², 14², 15², 16²; next is 17² = 289.
- 2936.
What comes next in the series 225, 256, 289, 324, ...?
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Answer: C. 361
These are squares: 15², 16², 17², 18²; next is 19² = 361.
- 2937.
What comes next in the series 256, 289, 324, 361, ...?
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Answer: B. 400
These are squares: 16², 17², 18², 19²; next is 20² = 400.
- 2938.
What comes next in the series 289, 324, 361, 400, ...?
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Answer: D. 441
These are squares: 17², 18², 19², 20²; next is 21² = 441.
- 2939.
What comes next in the series 324, 361, 400, 441, ...?
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Answer: C. 484
These are squares: 18², 19², 20², 21²; next is 22² = 484.
- 2940.
What comes next in the series 361, 400, 441, 484, ...?
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Answer: B. 529
These are squares: 19², 20², 21², 22²; next is 23² = 529.