1.

In annual sports 20% of the students took part in 100m race. 15% of the dents in 200m sprint and 10% of the students took part in the long jump eve 5% of the students took part in these three events. Let's work out the numbe the students who did not take part in any of the events if the total number students of the school were 780.​

Answer»

Answer:

390

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