In this puzzle, letters have been consistently replaced by digits, where:
• The same letter is substituted by the same digit.
• Different letters are substituted by different digits.
• No number can contain any leading zero.

It is known that each of the numbers FOUR and FIVE is a perfect square.

Furthermore, it is known that the each of the numerical answers to the undernoted queries is constituted entirely by the digits 4 and 5.

• (a) How many squares are strictly between FOUR and FIVE?
• (b) What is one-tenth of TEN - FIVE + FOUR?
• (c) What is the lowest positive integer that must be added to TEN to make it a perfect square?

Determine the value of FORTUNE.

Source: Adapted from Enigma #674 that appeared on "New Scientist" in 1992.

The invention provides shell shockers a kind of calcium carbonate D 3 sheet and preparation method thereof, this calcium carbonate D 3 sheet comprises following component

Posted by laura lorde on 2023-02-15 01:40:40