If 7 spider make 7 webs in 7 days then 1 spider will make 1 web in how many…
2024
If 7 spider make 7 webs in 7 days then 1 spider will make 1 web in how many days?
- A.
1
- B.
3
- C.
7
- D.
14
Attempted by 202 students.
Show answer & explanation
Correct answer: C
Key idea: find the web production rate per spider per day.
Compute the per-spider daily rate: total webs / (number of spiders × days) = 7 / (7 × 7) = 1/7 web per spider per day.
Find time for one spider to make 1 web: time = 1 web ÷ (1/7 web per day) = 7 days.
Therefore the answer is 7 days.