Subject Experts Solutions for Chapter: Direct and Inverse Proportions, Exercise 2: Worksheet 2

$33$ cows can graze a field in $12$ days. If $k$ cows can graze the same field in $9$ days, then find the value of $k.$

In a camp, there is sufficient food for $105$ soldiers for $21$ days. If $42$ soldiers leave the camp and the food will last for $k$ days, then find the value of $k$.

If I read $8$ pages daily and can finish a book in $15$ days, then on reading $12$ pages daily. If I take $k$ days to finish the book, then find the value of $k$.

$100$ persons had food provision for $24$ days. If $20$ persons left the place, then the provision will last for $k$, find the value of $k$.

$26$ men can do a piece of work in $18$ days. If the work is to be completed in $13$ days, then how many more men need to be hired?

If $a$ and $b$ vary inversely to each other, then find the values of $p, q, r$.

If $a$ and $b$ vary inversely to each other, then find the values of $x, y, z$.

If $a$ and $b$ vary inversely to each other, then find the values of $l, m, n$.