useless trivia: 25% of Americans have ---------- access.?

Questions

In "Pilgrims Progress", who imprisoned Christian and Hopeful in Doubting Castle?

What was the name of the character played by David Jason in the T. V comedy series 'Open all hours'?

Who, in 1977, was the first woman to ride in the Grand National?

Which astronomer and military band conductor discovered Uranus in 1781?

What is the alternative name for the coastal plant the sea pink, which featured on the reverse of the old threepenny bit?