India, Oct. 18 -- He turns 100 this year. He was based on Winipeg, a bear cub named after the town in Canada. Winipeg ended up in the London zoo, where she met a boy named Christopher Robin. His father was AA Milne. Which beloved character are we talking about? This 18th century observatory, designed to track the movement of celestial bodies, comprises 20 main fixed instruments, and is one of five built by Maharaja Sawaii Jai Singh II of Jaipur. It was also a designated protest site until it recently. What? The father's textile firm, in 1977, sold shares for Rs.10 and was oversubscribed by 7x. The son's firm, at $108 billion, is now India's largest IPO valuation and has attracted $20 billion in bids even before it opens next week. Name the son's company. Stephen King's genre-defying 1974 novel has had 4 movie adaptations, a musical, an off-Broadway revival and now a TV show. One word title. A girl's name. Same as SATC's lead character. Watch out for pig's blood at prom and give the name. MIT math professor John Urschel has settled an old question about the Gaussian elimination. But sports fans remember him from his time with the Baltimore Ravens. He quit over fears of sustaining degenerative brain injuries, from which American sport? This band rarely grants requests to use their music in shows and films. They let Greta Gerwig use Stairway To Heaven in the Narnia trailer. The band played at a Bombay club in 1972. Plant, Page, Kashmir, D'yer Mak'er. Only one band. Which? Before Facebook and Twitter, we signed up on this social media site, joined communities and made ignore lists. Turkish founder _____ Buyukkokten (who named the site after himself) is now planning a network for real people. His name? Two months after ditching its women-first model, this dating app has been bought by Ithaca Holdings for $1.3 billion. Paid usage is falling. Younger daters aren't swiping. The new owners are betting on AI for human connection. Which app? Only two African countries have hosted this motorsport: Morocco, on the Ain-Daib course in 1958, and South Africa, with which stopped in 1993. Rwanda is building a new circuit. Change all four tyres in under two seconds. And name the sport. The wooden trade vessel didn't survive. But three large stone anchors remain and the ceramic storage pots it was carrying have lain undisturbed the sea floor close to Turkey. The oldest of its kind, it's over 4,000 years older than the Titanic. What is it?...