Word Problems Quiz - CBSE Class 8 Mathematics
Free practice quiz: Word Problems (CBSE Class 8 Mathematics). 13 multiple-choice questions with answers and explanations. Play online, no sign-up needed.
Play all 13 questions freeSample questions
A number is increased by 5 and the result is 12. What is the number?
- 7
- 8
- 6
- 5
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Answer: A. 7
Let the number be x. According to the problem, x + 5 = 12. Solving this gives x = 12 - 5 = 7.
A train travels a distance of 180 km at a uniform speed. If it takes 3 hours to cover the distance, what is the speed of the train?
- 55 km/h
- 60 km/h
- 65 km/h
- 70 km/h
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Answer: B. 60 km/h
Speed is calculated as distance divided by time. So, speed = 180 km / 3 hours = 60 km/h.
The sum of two consecutive integers is 47. What are the integers?
- 23 and 24
- 22 and 23
- 25 and 26
- 21 and 22
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Answer: A. 23 and 24
Let the first integer be n. The next consecutive integer is n + 1. Hence, n + (n + 1) = 47. This simplifies to 2n + 1 = 47, giving n = 23.
A car travels at a speed of 80 km/h and takes x hours to travel 320 kilometers. What is the value of x?
- 2
- 3
- 4
- 5
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Answer: C. 4
Using the formula speed = distance / time, we have 80 = 320 / x, which gives x = 320 / 80 = 4.
Twice a number decreased by 8 equals 10. What is the number?
- 9
- 8
- 10
- 11
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Answer: A. 9
Let the number be n. The equation is 2n - 8 = 10. Solving gives 2n = 18, so n = 9.