Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

What word is represented by this rebus?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

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?