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Q.

Cost of 2 dozen bananas is Rs.36 .How many bananas can be purchased with Rs.45?



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a

40 

b

32 

c

35 

d

30  

answer is D.

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Detailed Solution

Concept: First we will convert 2 dozen to 24 units. Assume x be the required number of bananas that can be purchased with Rs.45.
Now find the cost of one banana. After that divide Rs.45 by  the  cost of 1 banana to get the required answer.
Given cost of 1 dozen of banana=Rs.36
Let x be the required bananas
Cost of 2 dozen banana is 36
2 dozen = 2×12=24
24 bananas - 36 Rs.
 x  -  45 Rs.
Taking cross-multiplication
36×x=24×45
x=30
Hence, option 4 is correct.
 
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