What is next number in the pattern below:

131 517 192 123 ?

With the help clues provided in the image, can you find the 5 digit key?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

A Club organizes a Running Race, and John, Jacob, Minda, and Tony participated.

The results are as follows

John beats Jacob
Minda beats Toni
Toni beats John

Who came first in the race?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?