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.

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

What goes up but never comes down?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

What does this say?

XLR8

I am an odd number. Take away a letter and I become even. What number am I?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.