The current price index (base 1960) is nearly 330. This means that
Options: all items cost 3-3 times more than what they did in 1960, the prices of certain selected items have gone up to 3-3 times, weighted means of prices of certain item has increased 3-3 times, gold price has gone up 3-3 times
The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project?
Options: Robert Oppenheimer, James B. Conant, Leslie R. Groves, Vannevar Bush