self Maths Puzzle

Wat r d next 3 numbers in dis series?

4, 6, 12, 18, 30, 42, 60, 72, 102, 108, ?, ?, ?

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self Other Question

a gas is found to obey the law P^2V=constant. the initial temp. and volume are To(t not) and Vo(v not). if the gas expands to a volume 3Vo(v not), then the final temp. becomes 9 men and 6 women will finish a work in 5 days, similarly 3 men and 15 women can finish the same work in 10 days then in how many days 9 men and 10 women will finish the same work.