Mathematics, 17.05.2021 18:00 LilLappyLOL

1. Given a sequence of two digit numbers grouped in brackets as follows :
(10), (11, 20), (12, 21, 30), (13, 22, 31, 40) ... (89, 98), (99).
The digital sum of the numbers in the bracket having maximum numbers is
(1) 9
(2) 10
(3) 9 or 10
(4) 18

Answers: 2

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1. Given a sequence of two digit numbers grouped in brackets as follows :
(10), (11, 20), (12...