The correct option is A 2963
To find rational numbers between any two rational numbers, we have to first convert the given rational numbers into equivalent rational numbers having the same denominator.
So, 57=5×97×9=4563
and 49=4×79×7=2863
Hence, among the given options, 2963 lies between 2863 and 4563.
That means, 2963 lies between 57 and 49.