Stefan and Elena start walking Westwards from a certain point. After covering 20 km, Stefan turns right and Elena turns left. Stefan waits for some time and then walks another 10 km, whereas Elena walks only 5 km. Henceforth they both start walking Southwards and cover 15 km each. How far is Stefan from Elena?

In the following sequence, how many numbers are divisible by 3 or 5 and are immediately followed by an odd number? 29, 25, 26, 21, 3, 25, 35, 18, 20, 22, 50, 9, 52, 54, 55, 56, 48, 26, 45

In a city, there are 6 hotels named: A, B, C, D, E and F. Hotel D is 25km to the north of hotel F, which is 35km to the northeast of hotel B. Hotel A is 15km west of Hotel E and 25km to the southwest of Hotel C. Three hotels are in a straight line in the following order: B, A and E. Hotels B and E are 30km apart from each other. Which hotel is the farthest to the southwest of Hotel D?

Jack said to Martha 'YOUR ONLY BROTHER'S SON IS MY WIFE'S BROTHER'. How is Martha related to Jack's wife?

Bob walks 8km towards North and turns to his right and walks 4km more. He then turns to his right and walks 5km and turns again to his right and walks another 4 km. Here he meets Smith coming from the opposite direction. They both stop here. If Bob is to again reach the point from where he started, in which direction will he have to go from the point he's standing?

Two siblings: A and B, are having a conversation. Read the following information and answer the given question: A says to his sister, B: 'I have as many sisters as brothers.' B tells her brother, A: 'I have twice as many brothers as sisters.' How many brothers and sisters are there?

Graffitiing and speechmaking on public property should be banned. Anarchists and fundamentalists have no right to use public property to disseminate their nasty views. The above argument assumes that:

Four men: Rory, Stephen, Tony and Ulrich are married to four women: Rachel, Sarah, Teri and Ursa. Each of the four couples lives in one of the following four states: Rhode Island, South Dakota, Texas and Utah. Read the following information carefully and answer the given question: 1- The first letters of the names of men, their wives and the states in which they live are not the same. 2- Sarah is not married to Rory. 3- Stephen does not live in Rhode Island or Utah and is not Rachel's husband. 4- Ulrich and Teri do not live in South Dakota. Who is Rory's wife?

Carefully read the given information and answer the following question: A teacher categorizes the students of a class in five groups: P, Q, R, S and T. She comes up with the following conclusions: All Ps are Qs. All Qs Are Rs. Some Ss are Ps. All Ss are Qs. No Ts are Rs. Which of the following is true?

What is the total number of triangles in the given diagram?

Suppose there is a group of 5 people P, Q, R, S, and T. Information about these 5 persons is as follows:  Among them one is cricketer, one is Hockey player, and one is football player.  P and S are unmarried women in the group and do not take part in any game.  None of the women plays Hockey or Cricket.  There is a married couple in the group. T is the husband.  Q is the brother of R and is neither a hockey player nor a football player. Based on the given information, who is the Football player in the group?