What is next number in the pattern below:

131 517 192 123 ?

Replace the question mark with the number below given a simple math problem.

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

Can you spot the hidden girl in the picture below?

On a charity event in Russia, Murray beat Djokovic by winning six games and losing three games.
Note: There is a total of 5 service breaks(one who serve lost the game).
Who served first, Djokovic or Murray?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Seven Robbers robbed a bank and hide the coins in a lonely place.
They decide to divide the money equally the next morning. Two greedy robbers decided to cheat the others and reach the place at night. They equally divided the coins between them, one coin left. So they called another robber and then they decided to divide equally among the three. Sadly again one coin left. The same thing happened to the 4th 5th and the 6th robber.
However, when the 7th robber reached in the morning, they can divide the coins equally.

How many coins were there in total?

Find the hidden tiger in the given optical illusion ?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?