Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

Two friends were betting. One said to the other, "The coin will be flipped twenty times and each time the coin lands on the head, I will give you $2 and each time it lands on the tale, you will give me $3." After flipping the coin twenty times not a single penny was exchanged among them.

How many times did the coin land on heads?

Using eight eights and addition only, can you make 1000?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

I have branches, but no fruit, trunk or leaves. What am I?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

What can you catch but never throw?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?