Posts by bhavika
Total # Posts: 4
A man is 9 times older than his son, 15 years later he will be only thrice as old as his son. What is man's present age?
If the ninety term of an A.P is 30, find the Sum of its first seventeen terms
when an accident happens in the sea due to collision of ships, there is a huge amount of oil spill in the sea .how does this affect of eco system?what spices of the marine life are affected by it and how?
calculate the density of oxygen at STP?