Study the following information carefully and answer the question given below.

Eight persons Milan, Naina, Ora, Pratik, Qamar, Rajesh, Sabira and Tanu belonging to different cities, viz Dehradun, Kanpur, Chandigarh, Mathura, Ludhiana, Jodhpur, Patna and Bhopal, but not necessarily in the same order, went to Lucknow to attend an awareness programme to reduce pollution in our country. Each had a different specialisation, viz Literature, Science, Economics, Marketing, Designing, Technology, Choreography and Acting, but not necessarily in the same order.

Milan and Naina have specialisation either in Technology or in Acting. Pratik does not have specialisation in Marketing and Rajesh does not have specialisation in Science. Sabira does not have a specialisation in Literature or Science. Ora is from Ludhiana and he has specialisation in Designing. Neither Rajesh nor Sabira has specialisation in Marketing or Technology. One who is from Chandigarh has specialisation in Choreography. One who is from Mathura has specialisation in Literature and one who is from Dehradun has specialisation in Science. Sabira and Tanu belong either to Patna or to Kanpur. Milan and Sabira do not belong to Bhopal and Patna respectively. One who belongs to Jodhpur has specialisation in Acting. Qamar is from Chandigarh.

Which of the following persons is from Patna?

At a party, the number of girls is half the number of boys. After an hour, five boys leave the party and three girls join the party. How many people were present at the party an hour before?

Direction : Study the following information carefully and answer the questions given below:
Six persons are sitting in a row facing to the north and they have different ages but not necessarily in the same order. C sits 3rd from one of the end. The one who is 12 year old sits 2nd to the right of C.
The number of persons sit right of the one who 12 year old is same as the number of persons sit to the left of D. O sits 2nd to the right of the one who is 6 year old. Two persons sit between D and B, whose age is twice than D. N sits to the right of P. The one who 36 year old sits 3rd to the left of the one who 15 year old. The age of O is 18 year.

How many persons sit between P and D?

Direction: Study the following information carefully and answer the given questions. 

Eight people i.e. K, L, M, N, O, P, Q, and R were born in different years i.e. 1979, 1982, 1984, 1988, 1990, 1994, 1995, and 2000 but not necessarily in the same order. (Note: Consider the base year as 2021.)

The age of P is a multiple of 13. Two people were born between P and K. The difference between the age of K and O is 4 years. One person was born between O and L who was not born in an odd-numbered year. Three people were born between L and R. The difference between the age of R and Q is 5 years. M was born after N.

How many people were born between R and N? 

Direction : Study the following information carefully and answer the questions given below:
Seven persons were born in different years i.e. 1953, 1963, 1968, 1976, 1990, 1993, 1998. 2019 is the base year for measuring the age of all persons. Not more than two persons were born before P. One person was born between V and S and none of them have even numbered age. There are as many persons were born before U as after Q. Difference between the age of T and S is not less than 20 years. T was born before Q and after R. Either P or U have odd numbered age.

Who among the following is the oldest person?

In this question, a question is followed by two statements numbered (I) and (II). You have to decide whether the data provided in the statement/s are sufficient to answer the question. Read both statements and choose your answer carefully.
Question: P, Q, R, S, T, U and V are 7 people standing in a row all facing North (not necessarily in the same order). Who is standing second to the right of T?

Statements:
 (I) U is standing 3rd from the right end and 2nd to the left of R.
 (II) Q is standing to the immediate right of T. Q is standing 2nd to the left of P.

Directions: Study the following information carefully and answer the questions that follow:

Six persons P, Q, R, S, T and U were born in three different months May, September and November, on two different dates- 9 and 16 not necessarily in the same order. P was born after R but not on the same date as that of R. Number of persons born before S is equal to the number of persons born after T. Q and U were born in the same month. T was born in a month having even number of days. Two persons were born between R and T.

Who was born immediately before R?

Direction : Study the following information carefully and answer the given questions.
 Eight persons from different banks, viz, Bank of India IDBI Bank, Canara Bank, PNB, Dena Bank, Axis Bank, HDFC Bank and Bank of Baroda are sitting in two parallel rows containing four people each, in such a way that there is an equal distance between adjacent persons. In row 1. K, L, M and N are seated and all of them are facing south. In row 2. W, X, Y and Z are seated and all of them are facing north. Therefore, in the given seating arrangement each member seated in a row faces another member of the other row. 

M sits second to right of the person from Bank of Baroda. Y is an immediate neighbour of the person who faces the person from Bank of Baroda. 

Only one person sits between Y and the person from PNB. The immediate neighbour of the person from PNB faces the person from Canara Bank. 

The person from Bank of India faces the person from Axis Bank. Y is not from Axis Bank. W is not from PNB. W does not face the person from Bank of Baroda 

X faces the person from Dena Bank. The one who faces Z sits to the immediate left of K. 

L does not sit at any of the extreme ends of the line. The person from Bank of Baroda does not face the person from IDBI Bank.

Who amongst the following  sit at extreme ends of the rows?