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Extremely hard mixed knowledge quiz, how many did you answer correctly?

Question 1

What number comes next in the sequence 16, 32, 64, 128?

Question 2

What were World War I German spiked helmets called?

Question 3

Who sang the famous song "We’re All Alone" (1978)?

Question 4

Which spice is known as zeera in Indian cuisine?

Question 5

What is 0.8 as a percentage?

Question 6

In what year was Amnesty International launched?

Question 7

104x105÷104 equals what number?

Question 8

What is the correct name of the glamorous suburb of Los Angeles?

Question 9

Who sang the famous song "G.T.O." (1964)?

Question 10

48x25+374 equals what number?