If forward thinking is "how do I get X?", then backward thinking is _________a.How do I NOT get to X?b.How to get from X to now?c.None of these

The activation energy for the forward reaction X Y is 60 KJ mol−1 and ΔH is −20 KJ mol−1. The activation energy for the backward reaction Y X is:

analysis that determines the required input value(s) to get a desired output (that is, backward analysis).

These functions seekg() and seekp() requires an argument of type ____________to determine that how many bytes to be move forward or backward.

Equilibrium is reached when the forward reaction happens at exactly the same __________ as the backward reaction. What one word completes this sentence?

There is a 9 digit number which reads the same backward as forward. At most, how many unique digits will be there in this number.A3B5C6D9