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11 Jul 2024, 02:07
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Let’s assume the office has 100 interns – for ease of calculation.
90 interns work for fewer than 7 hours. So, 10 work for 7 hours or more.
70 interns = work for fewer than 7 hours + feel exhausted.
So, 90 - 70 = 20 interns work for fewer than 7 hours + don’t feel exhausted.
10% of interns who work for 7 or more hours = 10% of 10 = 1 intern does not feel exhausted after work.
The total number of interns who don’t feel exhausted = 20 + 1 = 21.
90 interns work for fewer than 7 hours. So, 10 work for 7 hours or more.
70 interns = work for fewer than 7 hours + feel exhausted.
So, 90 - 70 = 20 interns work for fewer than 7 hours + don’t feel exhausted.
10% of interns who work for 7 or more hours = 10% of 10 = 1 intern does not feel exhausted after work.
The total number of interns who don’t feel exhausted = 20 + 1 = 21.
Aryaa03
Joined: 12 Jun 2023
Last visit: 19 Feb 2026
Posts: 210
Own Kudos:
Given Kudos: 159
Location: India
Schools: ISB '27 (A) IIM Calcutta '26 (A) IIMA '26 (D)
GMAT Focus 1: 645 Q86 V81 DI78 
Schools: ISB '27 (A) IIM Calcutta '26 (A) IIMA '26 (D)
GMAT Focus 1: 645 Q86 V81 DI78
Posts: 210
Kudos:
285
11 Jul 2024, 02:09
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Probably the first line is little confusing; A wrong interpretation will give you 28%
11 Jul 2024, 02:10
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Yes till 20 it was cleared but 10% of 10 . I couldn’t able to crack it
In Venn diagram First we have to go through the percentage chapter and then we should start it with this chapter
I am stuggling a lot with the word problems
In Venn diagram First we have to go through the percentage chapter and then we should start it with this chapter
I am stuggling a lot with the word problems
