The relation between price of banans ( $b$ ) and the quantity of bananas ( $q$ ) bought is given as : $b = 9 q - 11$
Find the value of ' $b$ ' if value of $q = 5$ ?

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Solution

The correct option is C 34
Following the relation:
$b = 9 q - 11$
$b = 9 \times 5 - 11$ ( $∵ q = 5$ )
$b = 45 - 11$
$b = 34$

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