a boy added all natural from 1 to 12 how ever he added one number twic | Examsbook

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462 0

Q:
A boy added all natural from 1 to 12, how ever he added one number twice due to which the sum become 80. What is the number which he added twice?

1
2
2
3
3
7
4
8

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Answer : 1. "2"

Maths Number System Questions

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