Question

in a quiz positive marks are given for correct answer and negative marks are given for incorrect answer.If krishna score in five successive rounds were 45,-9,-18,12,34 what was his total at the end

Answer 1

= 45 -9-18+12+34
= 91 -27
= 64

Answer 2

45+12+34+(-9)+(-18)
=91-9-18
=91-27
=64

Hope it helped you....

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