It’s not rocket science!

Do you know the English expression “It’s not rocket science?” Read the conversation below. Can you guess the meaning? It’s not rocket science!

Carl: How do I use this computer? 

Felicity: Switch it on and start typing! It’s not rocket science!

Does it mean:

a) computers are not like rockets

b) rocket science doesn’t require knowledge of computers

c) it’s not complicated

d) it’s not easy

The answer is below! ↓

 

Answer: c) it’s not complicated