Daily Trivia Quiz - Day 196 (2026-05-15)

Question 1

The small Pacific island nation of Tuvalu earns significant income from licensing an internet country-code domain popular with media and video platforms. What is Tuvalu's country code?

Accepted Answer

.tv

Answer

.fm

Answer

.io

Answer

.ai

Question 2

Post-it Notes took years to reach store shelves after the adhesive was invented. What finally helped convince 3M there was real demand?

Accepted Answer

A free-sample test in Boise, Idaho that showed unexpectedly strong demand

Answer

A competitor announced a similar product, forcing 3M to move quickly

Answer

A Fortune 500 company placed a large bulk order, proving demand existed

Answer

The CEO's secretary used them to annotate his documents and he immediately saw the value

Question 3

Why can a steel paper clip seem to float on water if placed carefully?

Accepted Answer

Surface tension can support it

Answer

Steel is less dense than water

Answer

Paper clips trap helium in the wire

Answer

Water repels polished metal

Question 4

Why do many fittings for flammable gas cylinders and regulators use left-handed threads?

Accepted Answer

To make it harder to connect a flammable gas line to the wrong fitting

Answer

Left-handed threads automatically seal better under high pressure

Answer

They prevent the gas from cooling the metal too quickly

Answer

Flammable gases corrode right-handed threads faster

Question 5

Warning labels on some products in the US exist not just because the danger is obvious, but because of what legal concern?

Accepted Answer

Companies can be sued for not giving adequate warnings

Answer

Government agencies require them for all consumer goods

Answer

Insurance companies demand them to lower premiums

Answer

International trade agreements require standardized labels

Question 6

Which country uses one official time zone even though it spans a width where five would fit?

Accepted Answer

China

Answer

Canada

Answer

Australia

Answer

Brazil

Question 7

Which Pacific country skipped December 30, 2011 to move to the other side of the International Date Line?

Accepted Answer

Samoa

Answer

Fiji

Answer

Tonga

Answer

Vanuatu

Question 8

Why can an A4 sheet be folded or cut in half and still keep the same shape?

Accepted Answer

Its sides use the square-root-of-2 ratio

Answer

Its area is exactly one quarter of a square meter

Answer

Its long side is twice its short side

Answer

Its corners are rounded by a fixed ISO rule

Question 9

What does the number in A4 paper size secretly tell you?

Accepted Answer

How many times A0 has been halved

Answer

How many millimeters thick the paper should be

Answer

How many margins the page layout needs

Answer

How many countries first adopted the size

Question 10

What is surprisingly special about one A0 sheet of paper?

Accepted Answer

It has an area of one square meter

Answer

It is exactly one meter tall

Answer

It weighs exactly one gram

Answer

It is the largest sheet a printer can feed