What's the best place to go shopping in the ocean?

I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

Five teams were competing in cricket where they faced each other exactly once. After the tournament, the following is the point table.

DareDevils 6
SuperKings 5
Royals 4
Sunrisers 2
Riders ?

How many points did Riders end up with?

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

Can you name some countries which do not have the alphabet 'A' in them?