In a group of 120 persons, 80 are Indians and rest are foreigners. Further, 70 persons in the group can speak English, The number of Indians who can speak English is
30 or more
Confusion Points
The question doesn't clearly mentions that the foreigners can speak English or not. Only after looking the options we have to solve.
Given:
Total persons in the group = 120
Number of Indian people = 80
Number of foreigners = 120 - 80 = 40
Number of persons in the group who can speak English = 70
Calculation:
Assuming all the foreigners speak English we will get the minimum number of Indians who can speak English i.e.
Minimum number of Indians speaking English = Total English speaking people - Maximum number of foreigners speaking English
⇒ 70 - 40 = 30
Hence, as the number of foreigners speaking English will decrease the number of Indians speaking English will increase.
So, we will have 30 or more Indians speaking English.
Hence, option 4 is correct.
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