Can you decipher the below rebus?

PBLUESAISNUERSES

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Count the Triangle in the figure given below:

Our product and our sum always give the same answer. Who are we?

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

What does this below rebus puzzle mean?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?