Can you decipher the two rows to find the hidden word?

Which alphabet letter is a question?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

Forwards I am heavy, backward I am not. What am I?

What has a ring but no finger?

What is the difference between a jeweller and a jailer?

What Time Should the last watch show in the below figure?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

Find the number of squares in the below-given picture.

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?