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MATH / Find the modulo 7 remainder of the sum 1+3+5+7+9+…+195+197+199.

Problem

Answer published by the source. Consult the official source to check your work against its answer.

problem

Find the modulo 77 remainder of the sum 1+3+5+7+9+…+195+197+199.1+3+5+7+9+\dots+195+197+199.
Plain-text mathematical notation (without MathML)
Find the modulo 7 remainder of the sum 1+3+5+7+9+…+195+197+199.
Original LaTeX notation
Find the modulo $7$ remainder of the sum $1+3+5+7+9+\dots+195+197+199.$

level

Level 4

type

Number Theory

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Source and history

Official source

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