Chain Rule - Quiz

Number of Questions: Each quiz consists of 10 questions.
Time Limit: You have 30 seconds per question. The total time to complete the quiz is 5 minutes.
Multiple Attempts: You can take the quiz multiple times to improve your score.

Results and Feedback

Result Analysis: After completing the quiz, you will see a results page with the following details:
- Correct Option for each question.
- Your Selected Option for each question.
- Explanation for each answer to help you understand why it is correct or incorrect.
- Percentage of Correct Answers to show your overall performance.
Interactive Features: The platform provides feedback on each attempt to help you learn and improve.

Important Instructions

Do Not Refresh: Do not refresh the page while taking the quiz. Refreshing the page will end the current quiz and a new quiz will start.
Saving Your Quiz: To save your quiz progress and questions, log in to your account. Once logged in, you can view saved quizzes in your profile section.
Mandatory Selection: All questions are mandatory to select. If you do not select all 10 questions, you will not be able to submit the quiz. Once all questions are selected, you will be able to see the Submit button. If you wait until the end of the time, the quiz will be auto-submitted by the system, and you will be able to see your results.

Tips for Taking the Quiz

Manage Your Time: Keep track of the time for each question to ensure you have enough time to answer all 10 questions.
Review Explanations: After the quiz, read the explanations provided for each answer to enhance your understanding of the material.
Retake the Quiz: If desired, take the quiz again to improve your score and reinforce your learning.
Avoid Refreshing: To prevent losing progress, avoid refreshing the page during the quiz.
Log In to Save: If you want to save your quiz progress, log in to your account and check your profile section for saved quizzes.

Quiz Analytics

Chain Rule - Quiz

Guest User

Time Taken:

Questions: Answered: Not Answered:

Correct Answer:

Wrong Answer:

Percentage: %

Q: 35 women can do a piece of work in 15 days how many women would be required to do the same work in 25 days?

A. 21
B. 22
C. 23
D. 24

Correct Option: A
Remarks:

Explanation:

Solution

Let the required number of women be x Then,

more days,less woman(indirect proportional)

25:15::35:x

25x=15×35

x=15×35/25

x=21

Hence 21 women can do the work in 25 days

Q: The price of 5.5 dozen pens is rs 1287.What is the price of 16 such pens?

A. 212
B. 296
C. 312
D. 412

Correct Option: C
Remarks:

Explanation:

5.5 dozen pens=(5.5×12)pens=66 pens .Let the cost of 16 pens be x

less pens,less cost(direct proportional)

66:16::1287:x

66x=16×1287

x=16×1287/66=312

Q: A recipe for stew that feets 4 people calls for 3 /2 teaspoons of salt if three teaspoons equal to 1 tablespoon then how many tablespoons of salt will be needed to make enough Stew for 18 people

A. 2.25
B. 3.25
C. 4.5
D. 6

Correct Option: A
Remarks:

Explanation:

solution:

e tablespoon=1 tablespoon

3/2teaspoon=½table spoon

let the number of tablespoon required be x.

more people,more salt (direct proportional)

4:18::½:x

4x=18×½=9

x=9/4=2.25

Q: A snapshot 15/8"

A. 19/8
B. 5/2
C. 3
D. 32/8

Correct Option: C
Remarks:

Explanation:

le the dimensions of the shorter side be x

more is the longer side,more is the shorter side (direct proportion)

5/2:4::15/8:x

5/2x=4×15/8

x=15/2×2/5

x=3

Q: 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 condition will be

A. 10
B. 12.5
C. 17.5
D. 21.25

Correct Option: B
Remarks:

Explanation:

let the height of the building be x metres

less length shadow,less is the height (direct proportion)

40.25:28.75::17.5:x

40.25x=28.75×17.5

x=28.75/40.25

x=12.5

Q: A TV tower 36 m high cast a shadow of 24 m at a particular time of a day what is the height of a minar with the three metre atop it,if both of these together shadow of 50 m at the same time of the day

A. 64
B. 72
C. 75
D. None of these

Correct Option: B
Remarks:

Explanation:

solution

let the height of the minar with flagstaff be x metre.More length shadow,more is the height (direct proportional)

24:50::36:x

24x=50×36

x=50×36/24 =75

hence height of the minar=(75-3) =72m

Q: A group of worker promise to complete a piece of work in 10 days but 5 of them do not report for work if it took the remaining workers 12 days to complete the work then the number of workers original hired was?

A. 15
B. 25
C. 30
D. 45

Correct Option: C
Remarks:

Explanation:

Solution

Let the required number of workers originally hired be x.

less workers,more days(indirect proportion)

(x-5):x::10:12

12(x-5)=10x

2x=60

x=30

Q: In your camp there is meal for 120 men are 200 children if 150 children have taken the mail how many men will be catered to with the remaining meal

A. 40
B. 20
C. 30
D. 50

Correct Option: C
Remarks:

Explanation:

Solution

there is a meal for 200 children.150 have taken the meal.Remaining meal is to be catered to 50 children.Now ,200 children=120 men

50 children=1201/200×50 men

=30 men

Q: The cost of 16 packets of salt each weighing 900 grams is rupees 28 what will be the cost of 27 packets if each packet weigh 1 kilogram?

A. 52.50
B. 56
C. 58.5.
D. 64.75

Correct Option: A
Remarks:

Explanation:

Solution

Let the required cost be x Then,

more packets,more cost (direct proportion.) More weight ,more cost (direct proportion)

packets 16:27::28:x

weight 900:1000::28:x

16×900x=27×1000×28

x=27×1000×28/16×900=105/2=52.50

Q: 4mat weavers can weave 4 mat in 4 days at the same rate how many maths would be over by 8 mat weavers in 8 days?

A. 4
B. 8
C. 12
D. 16

Correct Option: D
Remarks:

Explanation:

Solution

Let the number of mats be x.Then, more weavers more mats (direct proportion).More days,more mats(direct proportion)

weavers 4:8::4:x

days 4:8::4:x

4×4x=8×8×4

x=8×8×4/4×4

x=16