Given below is a network of oil pipelines and nine hubs– A through I. The requirement of oil at the hubs is exactly met by the flow in the pipelines. The flow in some of the pipelines and the requirement at some of the hubs is also mentioned. A is the only hub which is a source hub, i.e. the hub A does not have any requirement of its own but it supplies the requirement of all the other hubs.

It is also known that

I. The maximum capacity of any pipeline is 1000.

II. The requirement at any hub except A and I is equal to the flow in exactly one of the pipelines directly connected to it.

III. No two pipelines directly connected to the same hub carry the same amount of oil.

IV. The flow in none of the pipelines shown above is zero.

What is the amount of oil carried by the pipeline D-G?

There were ten events in the last years “annual cultural festival” of xyz international College. Following guidelines have been issued to schedule the “annual cultural festival”:

I. A college board has organized the ten events Z1, Z2, Z3, Z4, Z5, Z6, Z7, Z8, Z9, Z10 on six days of week with holiday on Sunday; not having more than two events on any of the days.

II. Event begins on Wednesday with event Z6.

III. Z4 is accompanied by some other event but not on Thursday. Z1 and Z7 are on the same day immediately after the holiday.

IV. There is only event on the last day and Saturday. Z2 is immediately followed by Z8, which is immediately followed by Z9.

V. Z3 is on Saturday. Z8 is not on the same day as Z10.

Which of the following events is scheduled on the last day?

Directions for questions: Read the information carefully and answer the questions given below.

B1, B2, B3, B4, B5, B6 and B7 are brothers. Two brothers had an argument and B1 said to B2, “you are as old as B3 was when I was twice as old as B4, and will be as old as B5 was when he was as old as B3 is now”. B2 said to B1, “You may be older than B6 but B7 is as old as I was when you were as old as B7 is, and B4 will be as old as B6 was when B6 will be as old as B7 is”.

Who is the eldest brother?

Who is the tallest?

Six friends Jyoti, Talwar, Rubi, Zahid, Victor and Samson live in the same building. The building has six different floors. Each of them belongs to different states viz., Delhi, Kerala, Manipur, Rajasthan, Tripura, Bihar & no two of them live in same states or floor.

I. One of the friends who live on the fourth floor saw Rubi going up the staircase.

II. Jyoti and Victor did not belong to Tripura.

III. Person who belongs to Kerala lives on the fourth floor.

IV. Samson belongs to Bihar. He didn’t live on the first floor.

V. Talwar lives on the sixth floor, but didn’t belong to Delhi.

VI.  Person who belongs to Manipur lives on the second floor. Jyoti and Zahid did not belong to Manipur.

Talwar lives on which of the following floors?

Six friends Jyoti, Talwar, Rubi, Zahid, Victor and Samson live in the same building. The building has six different floors. Each of them belongs to different states viz., Delhi, Kerala, Manipur, Rajasthan, Tripura, Bihar & no two of them live in same states or floor.

I. One of the friends who live on the fourth floor saw Rubi going up the staircase.

II. Jyoti and Victor did not belong to Tripura.

III. Person who belongs to Kerala lives on the fourth floor.

IV. Samson belongs to Bihar. He didn’t live on the first floor.

V. Talwar lives on the sixth floor, but didn’t belong to Delhi.

VI.  Person who belongs to Manipur lives on the second floor. Jyoti and Zahid did not belong to Manipur.

Which states does Rubi belong to?