Question

According to best estimates today, how old is the universe ?

• A. between ten and twenty thousand years.
• B. between ten and twenty million years.
• C. between ten and twenty billion years.
• D. between ten and twenty trillion years.
• E. between ten and twenty quadrillion years.

Answer 1

The correct option is C between ten and twenty billion years.

The age of universe is approximately 13.82 billion years. It is the time that has passes since the Big Bang that started the building of matter, time and space itself. Time had no existence before the Big Bang.
Hence correct answer is option C.