Numeric ReasoningTrivia Questions & Answers
12 numeric reasoning trivia questions, each with the correct answer and a short explanation.
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Each question reveals the answer and a quick explanation below it.
1. What number comes next in this sequence? 4, 7, 13, 25, 49, __
Answer: 97. 97: each term is double the previous minus 1 (49 x 2 - 1 = 97).
2. A coat costs $120 after a 25% discount. What was the original price?
Answer: $160. $160: $120 is 75% of the original, so the original = 120 / 0.75 = 160.
3. What number comes next? 3, 6, 12, 24, 48, __
Answer: 96. 96: each number doubles the previous one (48 x 2 = 96).
4. What number comes next in this sequence? 1, 1, 2, 3, 5, 8, 13, __
Answer: 21. 21: each term is the sum of the two before it (8 + 13 = 21).
5. If 5 pens cost $7.50, how much do 8 pens cost at the same rate?
Answer: $12.00. $12.00: each pen costs $1.50, so 8 pens = 8 x 1.50 = 12.
6. What is 35% of 240?
Answer: 84. 84: 35% of 240 = 0.35 x 240 = 84.
7. What number comes next in this alternating sequence? 5, 10, 8, 16, 14, 28, __
Answer: 26. 26: the rule alternates x2 then -2 (28 - 2 = 26).
8. Two numbers are in the ratio 3:5 and add up to 64. What is the larger number?
Answer: 40. 40: 8 parts = 64, so 1 part = 8 and the larger is 5 x 8 = 40.
9. What number comes next? 100, 90, 81, 73, 66, __
Answer: 60. 60: the amount subtracted shrinks by 1 each step (10, 9, 8, 7, 6), so 66 - 6 = 60.
10. A shirt costs $54. A 10% discount is then applied. What is the final price?
Answer: $48.60. $48.60: 10% off $54 = 54 x 0.9 = 48.60.
11. A train travels 180 km in 2.5 hours. At the same speed, how far does it travel in 4 hours?
Answer: 288 km. 288 km: speed is 72 km/h, so 4 hours = 72 x 4 = 288.
12. What number comes next in this sequence? 2, 3, 5, 9, 17, __
Answer: 33. 33: each term doubles the previous and subtracts 1 (17 x 2 - 1 = 33).
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