Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

Why is the Hole below a Lock?

Can you identify the hidden rebus in the image below?

What is the next number in this series?

4,12,84,3612....

Count the number of triangles in the given picture.

What English word has three consecutive double letters?

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

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

Can you find the dog hidden in a group of pandas?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211