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Please answer it :-
Options
a) 435. c)451
b) 420. d)471
Please explain it and don't post only answer otherwise your answer will be reported
Please help.
Answers
We know that the two last pages are 31 and 32 since their sum is 63. So the pages in the first half of the book are 1-16, and the second half 17-32.
He removed odd number of leaves in the first half (1 - smallest) and
even number in second half (2-smallest). To maximize the sum of whats left, he should be removing pages 1&2 from first half and pages 17,18,19 &20 from second half.
Total number of pages is (1+32)(16) = 528. Subtract the pages that were removed. 528 - (1+2+17+18+19+20) =451
.
.
So the correct option is (c).
.
hope it'll help ya.
.
Be Bræïñly !
We know that the two last pages are 31 and 32 since their sum is 63. So the pages in the first half of the book are 1-16, and the second half 17-32.
He removed odd number of leaves in the first half (1 - smallest) and
even number in second half (2-smallest). To maximize the sum of whats left, he should be removing pages 1&2 from first half and pages 17,18,19 &20 from second half.
Total number of pages is (1+32)(16) = 528. Subtract the pages that were removed. 528 - (1+2+17+18+19+20) =451
.
.
So the correct option is (c).
.
hope it'll help ya.
.
Be Bræïñly !