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

A man died and leaves Rs.10,000 in his will. There are 6 beneficiaries- his 3 sons and their wives. The 3 wives receive Rs.3960 of which Priyanka gets Rs.100 more than Tanu and Neha gets Rs.100 more than Priyanka.
Pramod gets twice as much as his wife, Tushar gets the same as his wife, and Prashant gets 50% more than his wife.

Who is married to whom?

Can you write down eight eights so that they add up to one thousand?

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

Find the next number in the sequence

5 12 24 36 ?

Count the number of triangles in the picture below:

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

Can you solve the photo plexer logic ?

Can you identify if it's a murder or a suicide ?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?