Assertion and Reason Questions Class 8 Maths Chapter 13 Direct and Inverse Proportions

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Solved CBSE Class 8 Maths Chapter 13 Assertion and Reason Questions – Direct and Inverse Proportions. Here we (Net Explanations) working very hard to providing you with the Important Assertion Reason Questions for this Chapter.

Assertion and Reason Questions Class 8 Maths Chapter 13 Direct and Inverse Proportions

1.) Assertion (A) –10 metres of cloth cost Rs 1000. 4 metres costs Rs 400

Reasons (R) –A direct proportion shows the direct the relation between two quantities.

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

2.) Assertion (A) –15 books weigh 6 kg. 6 books weighs 2.6 Kg

Reasons (R) –A direct proportion shows the direct the relation between two quantities.

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

3.) Assertion (A) –A horse eats 18 kg of corn in 12 days. 13.5 kg he eat in 9 days

Reasons (R) –A direct proportion shows the direct the relation between two quantities.

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

4.) Assertion (A) –8 g of sandal wood cost Rs 40. 10 g costs Rs 50

Reasons (R) –A direct proportion shows the direct the relation between two quantities.

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

5.) Assertion (A) –20 trucks can hold 150 metric tonnes. 12 trucks will hold 80 metric tonnes.

Reasons (R) –A direct proportion shows the direct the relation between two quantities.

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

6.) Assertion (A) –120 copies of a book cost Rs 600. 400 copies costs Rs 2400.

Reasons (R) –A direct proportion shows the direct the relation between two quantities.

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

7.) Assertion (A) –The rent of 7 hectares is Rs 875. 16 hectares = Rs 1600

Reasons (R) –A direct proportion shows the direct the relation between two quantities.

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

8.) Assertion (A) –A boy runs 1 km in 10 minutes. Then He will take 6 minutes to ran 600 m

Reasons (R) –A direct proportion shows the direct the relation between two quantities.

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

9.) Assertion (A) –A shot travels 90 m in 1 second. Then it will take 2.5 sec to go 225 m

Reasons (R) –A direct proportion shows the direct the relation between two quantities.

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

10.) Assertion (A) –3 knives cost Rs 63. 17 knives costs Rs 353

Reasons (R) –A direct proportion shows the direct the relation between two quantities.

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

11.) Assertion (A) –15 men can mow 40 hectares of land in 1 day. 6 men mow in 1 day=16 hectares

Reasons (R) –A direct proportion shows the direct the relation between two quantities.

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

12.) Assertion (A) –A man walks 20 km in 5 hours. Then he will take 8 hours in walking 32 km

Reasons (R) –A direct proportion shows the direct the relation between two quantities.

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

13.) Assertion (A) –the cost of 50 sticks at Rs 24 per score is Rs 60

Reasons (R) –A direct proportion shows the direct the relation between two quantities. An inverse proportion shows inverse or indirect relation between two quantities

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

14.) Assertion (A) –A train travels 60 km in 1 hour. Then it will take 2.6 hours to go 150 km

Reasons (R) –A direct proportion shows the direct the relation between two quantities. An inverse proportion shows inverse or indirect relation between two quantities

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

15.) Assertion (A) –If 3 quintals of coal cost Rs 6000, the cost of 120 kg is Rs 2500

Reasons (R) –A direct proportion shows the direct the relation between two quantities. An inverse proportion shows inverse or indirect relation between two quantities

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

16.) Assertion (A) –If 20 cows eat as much as 15 oxen, then 48 cows will eat at much as 36 oxen

Reasons (R) –A direct proportion shows the direct the relation between two quantities. An inverse proportion shows inverse or indirect relation between two quantities

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

17.) Assertion (A) –The fare for a journey of 40 km is Rs 25. Then 64 km can be travelled for Rs40

Reasons (R) –A direct proportion shows the direct the relation between two quantities. An inverse proportion shows inverse or indirect relation between two quantities

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

18.) Assertion (A) –Apala types 200 words in half an hour. Then she will type 90 words in 12 minutes

Reasons (R) –A direct proportion shows the direct the relation between two quantities. An inverse proportion shows inverse or indirect relation between two quantities

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

19.) Assertion (A) –A labourer is paid Rs 400 for 2 days work. Then if he works for 5 days he will get Rs 1100

Reasons (R) –A direct proportion shows the direct the relation between two quantities. An inverse proportion shows inverse or indirect relation between two quantities

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

20.) Assertion (A) –A machine in a soft drink factory fills 600 bottles in 5 hours. Then 240 bottles will it fill in 2 hours

Reasons (R) –A direct proportion shows the direct the relation between two quantities. An inverse proportion shows inverse or indirect relation between two quantities

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

21.) Assertion (A) –If 8 men can do a piece of work in 20 days, then in 8 days could 20 men do the same work

Reasons (R) –A direct proportion shows the direct the relation between two quantities. An inverse proportion shows inverse or indirect relation between two quantities

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

22.) Assertion (A) –If an amount of food last for 40 days for 120 men, then for 50 days it will last for 80 men at the same rate

Reasons (R) –A direct proportion shows the direct the relation between two quantities. An inverse proportion shows inverse or indirect relation between two quantities

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

23.) Assertion (A) –If 18 women can reap a field in 7 days, then in 22 days 6 women reap the same field

Reasons (R) –A direct proportion shows the direct the relation between two quantities. An inverse proportion shows inverse or indirect relation between two quantities

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

24.) Assertion (A) –10 men can dig a trench in 15 days. Then in 55 days 3 men take to dig a trench

Reasons (R) –A direct proportion shows the direct the relation between two quantities. An inverse proportion shows inverse or indirect relation between two quantities

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

25.) Assertion (A) –3 lambs finish eating turnips in 8 days. Then in 12 days will 2 lambs finish them

Reasons (R) –A direct proportion shows the direct the relation between two quantities. An inverse proportion shows inverse or indirect relation between two quantities

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

26.) Assertion (A) –6 pipes are required to fill a tank in 1 hour. Then in 72 minutesit will take if only 5 pipes of the same type are used

Reasons (R) –A direct proportion shows the direct the relation between two quantities. An inverse proportion shows inverse or indirect relation between two quantities

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

27.) Assertion (A) –40 cows can graze a field in 16 days. The 64 cows will graze the same field in 10 days

Reasons (R) –A direct proportion shows the direct the relation between two quantities. An inverse proportion shows inverse or indirect relation between two quantities

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

28.) Assertion (A) –If x = ky and when y = 4, x = 8 then k = 4

Reasons (R) –A direct proportion shows the direct the relation between two quantities. An inverse proportion shows inverse or indirect relation between two quantities

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

29.) Assertion (A) –x and y vary inversely with each other. If x – 15 when y = 6, then the value of x when y = 15 is 6

Reasons (R) –A direct proportion shows the direct the relation between two quantities. An inverse proportion shows inverse or indirect relation between two quantities

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

30.) Assertion (A) –If x = 20 and y = 40, then x and y are inversely proportional.

Reasons (R) –A direct proportion shows the direct the relation between two quantities. An inverse proportion shows inverse or indirect relation between two quantities

a) Both A and R are true and R is the correct explanation of A

b) Both A and R are true but R is not the correct explanation of A

c) A is true but R is false

d) A is false but R is true

Answers:

1:a         2:d         3:a         4:a         5:d         6:d

7:d         8:a         9:a         10:d       11:a       12:a

13:a       14:d       15:d       16:a       17:a       18:d

19:d       20:a       21:a       22:d       23:d       24:d

25:a       26:a       27:a       28:d       29:a       30:

Updated: January 29, 2022 — 2:09 pm

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