Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

I am quite hot but become too cold if you remove the first two letters. What am I?

What time is it when an elephant sits on a fence?

How can you write nineteen in a manner that if we take out one, it becomes twenty?