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

If 21x = 79x, what is the value of x?

Can you solve the below algebraic mathematical equation?

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

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

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

John was a very careless driver, so his owner Jacob gave him an offer that he will get an incentive of Rs.30 for every bottle box he delivered without breaking it and he will be charged Rs.90 for every bottle box he broke. Jacob gave John 100 bottles-box to deliver. After delivery, Jacob paid John Rs.2400. How many bottles-box did John break?

What can go up a chimney down, but can’t go down a chimney up?

To attend world science seminar, A famous chemist from Mexico visit
London. In the lab, the scientist was killed and his six assistants were under suspicion of killing the chemist.
Name of six assistants: Austin, Wayne, Dege, Oscaru, Lingard, and Rojo.
He left a note "76-20-44 79-16-22-7"

A local detective Jack was called to solve the case,

After reading the note, Jack instantly asked the police to arrest the murderers.

Who are the murderers?

What does the below rebus riddle means?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?