Practice MCQs

Explanation: An ordinary piano has 88 keys.

Explanation: The Biro brothers, who invented the ballpoint pen, were from Hungary.

Explanation: The Night Watch' is a famous painting (by Rembrandt).

Explanation: In Italy, 13 is regarded as a lucky number.

Explanation: There is no certain date for the first chocolate bar's appearance.

Explanation: Testing the parachute caused several deaths.

Explanation: Edwin Budding, who invented the lawn mower, was from England.

Explanation: Charles Prior Hall invented the modern waterbed in 1968.

Explanation: The barcode scanner was invented in the 1970s.

Explanation: The Zhuhai-Macau (HZMB) Bridge is the world's longest sea bridge.