In a row of boys, Srinath is 7th from the left and Venkat is 12th from the right. If they interchange their positions, Srinath becomes 22nd from the left. How many boys are there in the row? 

Rajan is ranked 11th in the list of successful boys in a class and at 31st from the bottom. Three boys did not take the exam at all and one failed. How many students are there in the class?

B is twice as old as A but twice younger than F. C is half the age of A but is twice older than D. Who is the second oldest? 

Four friends A, B, C, D are sitting in a coffee shop. A and B are sitting face to face. D is not sitting face to face. D is not sitting next of A but can see the facial expression of A clearly. B is talking to C who is sitting opposite to him who are sitting together? 

In a group of five districts, Akbarpur is smaller than Fatehpur, Dhanbad is bigger than Palamu and Barabanki is bigger than Fatehpur but not as big as Palamu. Which district is the biggest? 

X is poorer than w, but not as poor as B. C is not as poor as x. Who is the poorest of all? 

Mohan is taller than Rohan but shorter than Farhan. Kannan is shorter than Mohan but taller than Rohan .Shankar is taller than Rohan and Farhan. Who is the tallest?

Savita correctly remembers that Rahul birthday was after Monday but before Friday. Sandeep correctly remembers that Rahul's birthday was after Tuesday but before Saturday. On which day of the week does Rahul's birthday definitely fall?