Anton and his friends arranged 1655 chairs in 16 rows. How many chairs will be left after the arrangement such that all rows have the same number of chairs?

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Solution

The correct option is B 7
Total number of chairs = 1655
Number of rows = 16
Number of chairs in a row = total number of chairs ÷ number of rows
= 1655 $\div$ 16
Expressing 1655 as the sum of the place values of each digit = 1000 + 600 + 50 + 5
Using division by partial quotients,

Quotient = 60 + 40 + 3 + 0 = 103
Remainder = 7
7 chairs will be left after arranging 16 rows of chairs.

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