maths Maths Puzzle

using the digits from 1 to 9 only once,find the smallest & biggest square number of 9 digits.

Read Solution (Total 2)

smallest square number ------------ 139,854,276 = ( 11826)^2
biggest square number ------------ 923,187,456,= (30384)^2
11 years agoHelpfull: Yes(6) No(2)

please explain the process how to solve these qns
11 years agoHelpfull: Yes(2) No(1)

maths Other Question

A and B is the tenth digit and unit digit of a two digit number respectively. The product of AB, BA is the three digit number CDE. A is not equal to B. What is CDE?
1) A=E
2) A=C Q. What is the product of the irrational roots of the equation:
(2x-1)(2x-3)(2x-5)(2x-7)=9?

Option
(a) 3/2
(b) 4
(c) 3
(d) 3/4