Gate Exam

In a gathering,there are an architect,a banker,an advocate,a contractor,a shopkeeper and a dentist. The dentist is the grand father of F,who is a contractor.The banker D is Married to A. C,the shopkeeper is married to the advocate. B is the mother of F,brother of E. There are two married couples in the group.A-C is a father-son pair and B-E is a mother-daughter pair. How many male members are there?

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Gate Other Question

the number of zeros at the end of the product 16*22*15*50*65*115*18*90 is A smallest number exists that can be expressed as sum of cubes of two different sets of numbers of which one set is 10,9. The other set is.
option
a. 1,12
b. 4,11
c. 2,12
d. 4,13

Plz answer with explanation.