If the three digit number B9A is a perfect square, find, A-B ?
(a) 6
(b) 7
(c) 5
(d) 9
Sol:
142=196
A=6
B=1
A-B=5
We will be happy to hear your thoughts
If the three digit number B9A is a perfect square, find, A-B ?
(a) 6
(b) 7
(c) 5
(d) 9
Sol:
142=196
A=6
B=1
A-B=5
