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Chain Rule Questions & Answers

Practice the Chain Rule questions to hone the abilities needed for aptitude tests. The Chain Rule questions carry a medium weightage and are simple to master.

Q1

Q1 3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day?

A

9

B

10

C

1

D

12

Q2

Q2 A fort had provisions for 300 men for 90 days. After 20 days, 50 men left the fort. How long would the food last at the same rate?

A

62

B

84

C

56

D

72

Q3

Q3 If 7 spiders make 7 webs in 7 days, then 1 spider will make 1 web in how many days?

A

1

B

7/2

C

7

D

49

Q4

Q4 Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes?

A

648

B

1800

C

2700

D

10800

Q5

Q5 If a quarter kg of potato costs 60 paise, how many paise will 200 gm cost?

A

48 paise

B

54 paise

C

56 paise

D

72 paise

Q6

Q6 A flagstaff 17.5 m high casts a shadow of length 40.25 m. The height of the building, which casts a shadow of length 28.75 m under similar conditions will be:

A

10 m

B

12.5 m

C

17.5 m

D

21.25 m

Q7

Q7 4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8 days?

A

4

B

8

C

12

D

16

Q8

Q8 In a dairy farm, 40 cows eat 40 bags of husk in 40 days. In how many days one cow will eat one bag of husk?

A

1

B

1/40

C

40

D

80

Q9

Q9 A wheel that has 6 cogs is meshed with a larger wheel of 14 cogs. When the smaller wheel has made 21 revolutions, then the number of revolutions mad by the larger wheel is:

A

4

B

9

C

12

D

49

Q10

Q10 39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?

A

10

B

13

C

14

D

15

Practice Chain Rule Questions & Answers

The more questions a candidate answers, the better their understanding of the Chain Rule concepts and their ability to answer quickly and accurately.

Importance: Medium

Difficulty level: 1 out of 5 (Easy)

Examination- SSC, Banking, GMAT, GRE, SAT, CAT, etc.

Parent section: Quantitative Aptitude

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3. Curated by Experts

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4. Regularly updated

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