Question

in a science exhibition 2000 students take part 25% of the total are participating in Raman house. 50%of the remaining are participating in darwin and dalton house in the ratio of 3:2 and 20% of the rest are participating all houses. Rest are raman and Darwin, Darwin and Dalton house and Raman and dalton house in the ratio of 7:8:10.The % of students who did not participating in any house?

Answer 1

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