Which desert is the largest in the world and spans multiple African countries?
666 ÷ 6 ÷ 3 = ?
Which African country is known as the 'Rainbow Nation' due to its diverse population and history of apartheid?
Find the highest common factor of 36 and 84.
What handheld communication device, invented by martin Cooper in 1973, is considered the precursor to modern cell phones?
0.014 × 0.014 = ?