Latest IIT-JEE Aptitude Question SOLUTION: Experimentally it was found that a metal oxide has
formula M0.98O. Metal M, is present as M2+ and
M3+ in its oxide. Fraction of the metal which exists
as M3+ would be -
(1) 6.05% (
Experimentally it was found that a metal oxide has
formula M0.98O. Metal M, is present as M2+ and
M3+ in its oxide. Fraction of the metal which exists
as M3+ would be -
(1) 6.05% (2) 5.08%
(3) 7.01% (4) 4.08%
There is nothing more deceptive thing in mathematics than an obvious fact.
Conan.O.Doyle
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?