Quote:
There are many houses in city X. Out of all the houses, 20 have uncovered parking space, 20 have covered parking space, and 40 have central garden. How many houses are in city X?
1) No house in city X is without a central garden.
2) Each house in city X that has a covered parking space does not have uncovered parking space.
Given Information :
Number of houses with uncovered parking spaces = 20
Number of houses with covered parking spaces = 20
Number of houses with Central garden = 40
Asked : Number of houses = ?
Type : Specific Value
Quote:
1) No house in city X is without a central garden.
If there is no house without a central garden that means the total number of houses are the houses that have central garden. This directly gives us the answer as 40.
Quote:
2) Each house in city X that has a covered parking space does not have uncovered parking space.
While this statement does look sufficient when we come from Statement 1 but actually that is not the case.
Yes This does tell us that there is no overlap between covered parking houses and uncovered parking houses but doesn't talk about where do the houses with central garden count.
Answer (A)
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