For the following questions answer them individually
Science of the study of preserved remains or traces of Animals, plants, and other organisms from the remote past is called
If $$(a^2 - b^2) \div (a + b)$$ = 25, find a - b ?
Atomic weight of an element is compared with which of the following to get the atomic weight of that element?
Which two teams played the first official international cricket match?
A man sells a table for Rs. 4200 at 25% loss. At what price must he sell to get a profit of 25%?
As the frequency of a wave increases, what happens to its wavelength?
A tank can be filled by two taps X and Y in 5 hrs and 10 hrs respectively while another tap Z empties the tank in 20 hrs. In how many hours can the tank be filled if all 3 taps are kept open?
Anil bought 100 eggs at Rs.6 per egg. He sold 25 eggs at 10% profit, another 25 eggs at 25% loss and the balance 50 eggs at 20% profit. Find the overall profit or loss percent Anil made?