A man was engaged as typist for the month of february in 2009. He was paid Rs. 500 per day, but Rs. 100 per day were deducted for the days he remained absent. He received Rs. 9100 as salary for the month. For how many days did he work?

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A boy attends school for 'r' days in a month. The number of days he is absent in a month is two more than one sixth of the days he attends the school. The mathematical expression for the number of days he remains absent in a month is

The correct option is B r6 + 2 As given the number of days for which the boy remain absent is two more than the number of days he attends the school. So, expressing it mathematically we will have r6 + 2 as the number of days for which he remains absent.

The correct option is B
$\frac{r}{6}$ + 2

As given the number of days for which the boy remain absent is two more than the number of days he attends the school. So, expressing it mathematically we will have $\frac{r}{6}$ + 2 as the number of days for which he remains absent.