It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

Accidentally, two trains are running in the opposite direction and enter a tunnel that is 200 miles long. A supersonic bird that has fled the lab and taken shelter in the tunnel starts flying from one train towards the other at a speed of 1000 mph. As soon as it reaches the second train, he starts flying back to avoid collision and meets the first train again at the other end. The bird keeps flying to and fro till the trains collide with each other.

What is the total distance that the supersonic bird has traveled till the trains collided?

How many times can you subtract the number 5 from 25?

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

What is the longest word in the dictionary?

Can you solve the photo plexer logic ?

They are three errirs in this question. Can you find them?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?