PROBLEM OF THE WEEK #18

Ivanov, Jacobowski, Lebedev, and Malinkov are an architect, composer, dancer, and singer.

Ivanov and her husband invited the composer and his wife to dinner. The dancer said that he enjoyed playing chess with Lebedev. The singer complimented Malinkov on her excellent recipe for cabbage soup. What is the occupation of each person, and is that person male or female?

PROBLEM OF THE WEEK #16

Of a group of 30 high-school students, 8 study French, 12 study Spanish, and 3 study both French and Spanish. How many students of the group study neither French nor Spanish?