Russian version Mnemonic - Articles

 

 

A
SHORT ACCOUNT
OF
GEORGE BIDDER,
THE CELEBRATED
Mental Calculator;
WITH
A VARIETY
OF THE MOST
DIFFICULT QUESTIONS,
Proposed to him at the principal Towns in the Kingdom
AND HIS
SURPRISING RAPID ANSWERS!

 

 

 

QUESTIONS
ANSWERED BY GEORGE BIDDER.


A Question by the late Queen Charlotte.
From the Land's End, Cornwall, to Farret's Head, in Scotland, is found by measurement to be 838 miles; how long would a snail be creeping that distance, at the rate of 8 feet per day?
Answer -- 553,080 days.
A Question by the Duke of Kent.
Multiply 7953 by 4648.
Answer -- 36,965,544.
If a coach-wheel is 5 feet 10 inches in circumference; how many times would it revolve in running eight hundred million miles?
Answer, in 50 seconds -- 724,114,285,704 times, and 20 inches remaining.
If two ships of 83 guns each exchange at sea, and they continue in action five hours, forty-three minutes, seven seconds, each firing a broadside every 2½ minutes; how many shot will they each fire?
Answer, in 20 seconds -- 11,391 each.
Suppose a snake to crawl from Gloucester to Land's End, Cornwall, a distance of 239 miles, 6 furlongs, 38 poles, 7 feet, in 1,010 days; at what rate does he travel each day?
Answer, in 1 minute -- 417 yards, 2 feet, 11 inches, 2 barley-corns.

7
What is the interest of £4,444 for 4,444 days, at 4½ per cent. per annum?
Answer, in 2 minutes -- £2,434 16s. 5¼d.
What is the interest of £11,111 for 11,111 days, at 5 per cent. per annum?
Answer, in 1 minute -- £16,911 11s.
Multiply 72,468 by 87,468.
Answer, in 1½ minute -- 6,338,631,024.
What is the square root of 119,550,669,121?
Answer, in 1 minute -- 345,761.
A Question by Mr. Wills, Sulisbury.
Suppose the national debt to be 900 millions, and in £1 notes; how long would a man be counting the same, at the rate of £100 per minute, without intermission?
Answered in 1 minute -- 17 years, 5 weeks, 5 days, 18 hours.
Suppose the ministers had succeeded in carrying the Income-tax, which would amount to 12,000,000 pounds sterling; how far would it cover a road 30 feet wide, each note being 8 inches by 4½?
Answer -- 18 miles, 1653 yards, and 1 foot.
In apprentice in to serve his master fill he is 21 years of age, who is 14 years, 12 month, 11 weeks, 10 days, 9 hours, and 98 minutes old; how long has he to serve?
Answered in 1 minute -- 5 years, 10 month, 3 week, 3 days, 14 hours, 52 minutes.