The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

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

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

Some friends went on a vacation to a resort. It was raining heavily and it kept raining for thirteen days.

When it rained in the morning, the afternoon was beautiful and when it rained in the afternoon, the day was blessed with a clear morning.

Overall, the friends experienced eleven nice mornings and twelve nice afternoons. Can you find out the number of days they spent on vacation?

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

Can you find out the remainder when 3^300 is divided by 5?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

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

If Rajina's daughter is my daughter's mom, who am I to Rajina?