but they are all mathematical!!!
1) If a certain 6-digit no. is split into 2 parts, 1 constituting the first 3 digits, and the other consisting of the last three digits, and the two parts are added and the result squared, it is found that the product is the original six-digit number. what is the number?
2) What is the rightmost digit of 7^7^7?
3) Solve x^2 = y(x+3), where x and y are both positive integers
4) Give the proof why the product of 4 consecutive numbers can never be a square.
5) a + b + c = abc. where a is less than b and b is less than c.
6) John was three times as old as his sister and five times as old 2 years before that. In how many years will the ratio be 2:1?
2007-03-13
19:02:44
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6 answers
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asked by
Anonymous
in
Entertainment & Music
➔ Jokes & Riddles
nope....these are not my maths H.W...seriously, if they were my maths h.w., i would have put it in the maths section, not Jokes & riddles...they are seriously riddles....
2007-03-13
19:13:30 ·
update #1