Class 7th Chapter 6 Ratio - Applications Exercise 2
Q:5) A disaster relief team consists of engineers and doctors in the ratio of 2:5. (1) If there are 18 engineers, find the number of doctors. (2) If there are 65 doctors, find the number of engineers.
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Answer:
Given:
Ratio of number of engineers and doctors in the team =2:5
(i) If there are 18 engineers,
Number of doctors =
2
18×5
=45 doctors
(ii) If there are 65 doctors,
Number of doctors =
5
65×2
=26 engineers
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