Among $B, F, J, K$ and $W$ each having a different weight, $F$ is heavier than only $J.$ $B$ is heavier than $F$ and $W$ but not as heavy as $K.$ Who is the third heaviest among them?

In a row of girls, Shilpa is $8^{th}$ from the left and Reena is $17^{th}$ from the right. If they interchange their positions, Shilpa becomes $14^{th}$ from the left. How many girls are there in the row?

Geeta is taller than Seeta but not shorter than Radha. Radha and Rani are of the same height. Geeta is shorter than Paru. Amongst all the girls,who is the tallest?

An application was received by an inward clerk in the afternoon of a weekday. The next day,he forwarded it to the table of the senior clerk,who was on leave that day. The senior clerk,on the next day evening,put up the application to the desk officer. The desk officer studied the application and disposed of the matter on the same day,i.e.,Friday. On which day was the application received by the inward clerk?

How many $8$s are there in the following number sequence which are preceded by $7$ but not immediately followed by $4$?
$2, 3, 8, 2, 5, 7, 8, 3, 7, 8, 4, 6, 9, 8, 4, 3, 2, 7, 8, 9, 5, 7, 8, 1, 5, 2, 9$

Among five friends,Mahesh is taller than Karan but not Yash. Hrithik is taller than Yash but not Abhishek. If they stand in increasing order of their heights,who will be first in line?