M is the largest 4 digit number, which when divided by 4, 5, 6 and 7 leaves remainder as 2, 3, 4, and 5 respectively. What will be the remainder when M is divided by 9?
A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 4 days. How long B alone would take to do the whole work?
The Indus Valley Civilization which is also known as Bronze age civilization started around 3300 BC and flourished in between 2600 - 1900 BC and started to decline in 1800 BC.