Which number should fill the blank

Can you fill the blank with the correct number?

6 30 870 756030 _____




Similar Riddles

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?

Asked by Neha on 03 Sep 2023


This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

Doctor

Asked by Neha on 20 Jun 2024

What is both possible and impossible at the same time?

Asked by Neha on 15 Apr 2022


There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

Asked by Neha on 07 Oct 2025

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

Asked by Neha on 22 Oct 2024

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

Asked by Neha on 12 Apr 2025


How many triangles can you count in the figure given?

How Many Triangles Puzzle

Asked by Neha on 06 Dec 2025

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

Asked by Neha on 01 Jan 2025

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

Count The Tigers

Asked by Neha on 21 May 2021


A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

Asked by Neha on 31 Jan 2026

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Amazing Facts

Out of the Box

The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.