What number does giga stands for?

1. What number does giga stands for?
10 to the power of 18
10 to the power of 9
10 to the power of 6
10 to the power of 12

Ans: 10 to the power of 6

2. who is father of algebra?
Pythagorus
Darwin
Archimedes
Moosa-al-khawarizmi

Ans: Moosa-al-khawarizmi

3. Which part of the body has smallest muscle?
Tounge
Ear
Nose
Eyes

Ans: Ear

4. Who is known as the Father of English Poetry?
Geoffrey Chaucer
John Milton
John Keats
None of the above

Ans: Geoffrey Chaucer