Can you solve the below algebraic mathematical equation?

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

Which five letter word can be added at the end of below word to form a
valid word?

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John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

There are six people in a family namely M, N, O, P, Q and R.

R and O are brother and sister.

N is the brother of Q's husband.
P is the father of M and grandfather of R.

How many male members are in the family?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

A bomb exploded in a room full of married couples and no one died. How?