People make me, save me, change me, raise me. What am I?

A devotee visits 9 temples when he visits India. All these nine temples have one thing in common - there are 100 steps in every temple. The devotee puts the Re.1 coin after climbing up every step. He does the same while climbing down every step. At each temple, the devotee offers half of his money from his pocket to god. In this way, his pocket becomes empty after he visits the 9th temple.

Can you calculate the total amount he had initially?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

How many times do a clock's hands overlap in a day ?

How do you go from 98 to 720 using just one letter?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What Deficiency does the below rebus represent?

VIT_MIN

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?