How many triangles are there on the puzzle below?

Can you solve the below geography rebus by decoding the below rebus ?

What is common among 11, 69, and 88?

A car is crossing a 20 km-long bridge. The bridge can support at most 1500kg of weight over it. If somehow, the weight on the bridge becomes more than that, it will break.

Now, the weight of the car is exactly 1500kg. At the midway, a bird comes and sits on the roof of the car. This bird weighs exactly 200 grams.
Can you tell if the bridge breaks at this point or not?

I am quite hot but become too cold if you remove the first two letters. What am I?

There was a strange boy who was born before his father. How can this be possible?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

15 caves are arranged in a circle at the temple of doom. One of these caves has the treasure of gems and wealth. Each day the treasure keepers can move the treasure to an adjacent cave or can keep it in the same cave. Every day two treasure seekers visit the place and have enough time to enter any two caves of their choice.

How do the treasure seekers ensure that they find the treasure in the minimum number of possible days?

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