Campus Maths Puzzle Numerical Ability

There are 5 distinct integers a, b, c, d, e in ascending order.
(68-a)(68-b)(68-c)(68-d)(68-e) = 725.
What is a + b + c + d?

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Campus Other Question

what remainder you get when you divide 30^72^87 by 11? abcd*4=dcba what is the number abcd?