Find the missing letter in the last circle logically in the given below picture.

John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday.

Can you find out on what day was Jacob born?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

Can it be possible to build a house that has all its four walls facing towards the South?

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

What does this simple rebus mean?

What English word has three consecutive double letters?

What word begins and ends with an E, but has only one letter?