GATE Civil Engineering (CE) 2020 Shift 2 Solved Paper

Question : 9 of 65

Marks: +1, -0

In a school of 1000 students, 300 students play chess and 600 students play football. If 50 students play both chess and football, the number of students who play neither is

Validate

Solution:

N(S)=1000

N(C)=300

N(F)=600

N(C \;&\; F)=50

N(S)=N(C)+N(F)-N(C \;&\; F)+N

( none)

∴ N(

none

)=150

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