Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

I cannot talk, but I always reply when spoken to. What am I?

Find the next number in the sequence

5 12 24 36 ?

Replace the question mark in the picture below.

Can you decipher the below rebus?

PBLUESAISNUERSES

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

There is one four-digit whole number n, such that the last four digits of n2 are the original number n

What does below rebus means ?

Rihana, Peeta, and Logan order a pizza for $10. Out of the three, Rihana and Peeta were quite hungry and ate 6 slices a piece, while Logan had just 2 slices.

Now, they want to split the cost among them fairly but due to the lack of change, they decide to round off the cost to the nearest possible dollar.

Can you find out the fairway which should be used to split the money?

What if the pizza was worth $11?