FirstFT quiz: the week in news

How many years have Ukrainian government forces battled Russia-controlled separatists in eastern Ukraine's Donbas region?

For how much are five energy groups suing four European governments over the stymying of coal, oil and gas projects?

Which British university said it and its industrial partners had created the world's first quantum gravity sensor?

Crypto derivatives accounted for what percentage of cryptocurrency trading in the US last month?

How many employees did Virgin Hyperloop lay off as the company pivoted from passenger travel to freight?

The UK government said it would reduce the salary threshold for paying back graduate loans from £27,295 to how much?

Activist investor Carl Icahn has launched a board fight at McDonald's over what?

What music platform was founded by Jamal Edwards, the British music entrepreneur who died aged 31?

The Venue Group Hospitality, which raised its first external funds since 2015, was founded by a member of which Grammy award-winning band?

How much have G20 countries pledged to distribute to developing nations affected by the coronavirus pandemic?