What's the next in the series?

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

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Which digit occurred maximum times between the number 1 and 1000?

what one word does the below rebus identifies?

Which is the correct shadow of the bird?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

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?