You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

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 will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

Which part of London exists in France as well ?

A sundial has the fewest moving parts of any timepiece. Which has the most?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

Replace the question mark in the picture below.

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

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?