Q. 10 metres of cloth cost Rs 1000. What will 4 metres cost ?
✅ Correct Answer: (A)
Rs 400
Direct and Inverse Proportions MCQs with answers
Dear candidates you will find MCQ questions of 8th Class - Math | Chapter: Direct and Inverse Proportions here. Learn these questions and prepare yourself for coming examinations. You can check the right answer of any question by clicking the option or by clicking view answer button.
All subjects and chapters of 8th Class are listed below. You can select any subject and chapter below to learn mcq questions of that chapter and subject.
Q. A horse eats 18 kg of com in 12 days ? How much does he eat in 9 days ?
✅ Correct Answer: (C)
13.5 kg
Q. 20 trucks can hold 150 metric tonnes. How much will 12 trucks hold ?
✅ Correct Answer: (B)
90 metric tonnes
Q. 120 copies of a book cost Rs 600. What will 400 copies cost ?
✅ Correct Answer: (B)
Rs 2000
Q. The rent of 7 hectares is Rs 875. What is the rent of 16 hectares ?
✅ Correct Answer: (A)
Rs 2000
Q. A boy runs 1 km in 10 minutes. How long will he take to ran 600 m ?
✅ Correct Answer: (D)
6 minutes
Q. A shot travels 90 m in 1 second. How long will it take to go 225 m ?
✅ Correct Answer: (B)
2.5 seconds
Q. 15 men can mow 40 hectares of land in 1 day. How much will 6 men mow in 1 day ?
✅ Correct Answer: (A)
16 hectares
Q. A man walks 20 km in 5 hours. How long would he take in walking 32 km ?
✅ Correct Answer: (D)
8 hours
Q. A train travels 60 km in 1 hour. How long will it take to go 150 km ?
✅ Correct Answer: (C)
2.5 hours
Q. If 3 quintals of coal cost Rs 6000, what is the cost of 120 kg ?
✅ Correct Answer: (B)
Rs 2400
Q. If 20 cows eat as much as 15 oxen, how many cows will eat at much as 36 oxen ?
✅ Correct Answer: (D)
48
Q. The fare for a journey of 40 km is Rs 25. How much can be travelled for Rs40 ?
✅ Correct Answer: (B)
64 km
Q. Apala types 200 words in half an hour. How many words will she type in 12 minutes ?
✅ Correct Answer: (A)
80
Q. A labourer is paid Rs 400 for 2 days work. If he works for 5 days, how much will he get ?
✅ Correct Answer: (A)
Rs 1000
Q. A machine in a soft drink factory fills 600 bottles in 5 hours. How many bottles will it fill in 2 hours ?
✅ Correct Answer: (D)
240
Q. If 8 men can do a piece of work in 20 days, in how many days could 20 men do the same work ?
✅ Correct Answer: (B)
8 days
Q. If an amount of food last for 40 days for 120 men, how long will it last for 80 men at the same rate ?
✅ Correct Answer: (B)
60 days
Q. If 18 women can reap a field in 7 days, in what time can 6 women reap the same field ?
✅ Correct Answer: (B)
21 days
Q. 10 men can dig a trench in 15 days. How long will 3 men take ?
✅ Correct Answer: (A)
50 days
Q. 3 lambs finish eating turnips in 8 days. In how many days will 2 lambs finish them ?
✅ Correct Answer: (D)
12
Q. 6 pipes are required to fill a tank in 1 hour. How long will it take if only 5 pipes of the same type are used ?
✅ Correct Answer: (B)
72 minutes
Q. 40 cows can graze a field in 16 days. How many cows will graze the same field in 10 days ?
✅ Correct Answer: (B)
64
Q. The constant of variation, if x ∝ y, from the following table is
✅ Correct Answer: (C)
3
Q. x and y vary inversely with each other. If x – 15 when y = 6, then the value of x when y = 15 is
✅ Correct Answer: (D)
6
Q. If x and y are directly proportional, then which of the following is correct?
✅ Correct Answer: (D)
x/y = constant
Q. If the weight of 12 sheets of thick paper is 40 grams, how many sheets of the same paper would weigh 2500 grams?
✅ Correct Answer: (A)
750
Q. The scale of a map is given as 1 : 300. Two cities are 4 km apart on the map. The actual distance between them is
✅ Correct Answer: (C)
1200 km
Q. If x and y are inversely proportional, then which one is true?
✅ Correct Answer: (C)
x1/x2 = y2/y1
Q. 6 pipes are required to fill a tank in 1 hour 20 minutes. If we use 5 such types of pipes, how much time it will take to fill the tank?
✅ Correct Answer: (B)
96 minutes
Q. If 12 workers can build a wall in 50 hours, how many workers will be required to do the same work in 40 hours?
✅ Correct Answer: (D)
15
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