Can you fill the blank with the correct number?

6 30 870 756030 _____

What English word has three consecutive double letters?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Identify the 10 differences between the two given pictures.

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

On 26-01-2022, Juli was murdered at her house in a city in India in the afternoon. There were three suspects in the murder and the following are the statements that were given by them:

John: I visited my village that day.
Jacob: I was out to deposit my house tax in the municipality office at that time.
Jonny: I was at a friend's place having lunch at that time.

Can you find out who is the murderer?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Can you name an animal whose killing cannot be performed without spilling your own blood?

What is the next number in this matchsticks series riddle?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?