Entry fee is Re1. There are 3 rides each is of Re1. Total boys entering are 3000. Total income is Rs 7200. 800 students do all the 3 rides. 1400 go for at least 2 rides. None go the same ride twice then no of students who do not go any ride is

1400

Interview Candidate
Jun 21st, 2005
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Showing Answers 1 - 3 of 3 Answers

Sachin

Nov 19th, 2005

I think ans shd be 1000

ajay1472

Nov 24th, 2007

Let x people are not involve in riding

entering income should be =3000
800 people are going for all 3 riding, income from these people=2400
total income =7200(given)
then equation should be like
3000+800*3+(3000-(800+x))*2=7200
9800-2*x=7200
x=1300
answer should be 1300