Family

In a colony there are 75 families and each family has two children. Th number of made children of the families is as follows: If a family is selected at random, what is the probability that the family has only one male child?

Families

The average earning of each member of the Ambani family is 20% less than the average earning of each member of the Sahara family and the total earning of Ambani's family is 20% more than the total earning of Saharas's family. The no. of family members in the Sahara is what per cent of the no. of family members of Ambani :

Cruciferae families|| Poaceae f amilies || Malvaceae families ||Cucurbitaceae families|| Asteraceae families

A survey was conducted among a sample of 10,000 families on the use of mobile phones connections.It was found that 40% families use 'BSNL',20% families use 'Vodafone',10% families use 'Idea',5% families use 'BSNL' and 'Vodafone',3% families use 'Vodafone and Idea',4% families use 'BSNL and Idea' and 2% families use all the three connections.(iii)Find the number of families that use none of the mobile phone connections.

A survey was conducted among a sample of 10,000 families on the use of mobile phones connections.It was found that 40% families use 'BSNL',20% families use 'Vodafone',10% families use 'Idea',5% families use 'BSNL' and 'Vodafone',3% families use 'Vodafone and Idea',4% families use 'BSNL and Idea' and 2% families use all the three connections.(ii)Determine the number of families that use 'BSNL' mobile phone connection only.