Question

if 3 dozen mangoes cost Rs405 how many mangoes will you get Rs 90? 10, 8, 15, 5

Answer 1

Answer:

8 mangoes will you get Rs 90

Answer 2

SOLUTION

TO CHOOSE THE CORRECT OPTION

If 3 dozen mangoes cost Rs 405 how many mangoes will you get Rs 90

• 10

• 8

• 15

• 5

EVALUATION

Let cost of 1 dozen mangoes = Rs x

So the cost of dozen mangoes = Rs 3x

It is given that 3 dozen mangoes cost Rs 405

1 dozen = 12

So by the given condition

36x = 405

$\displaystyle \sf{ \implies \: x = \frac{405}{36} }$

Thus the number of mangoes will be available at Rs 90

$\displaystyle \sf{ = \frac{90}{ \frac{405}{36} } }$

$\displaystyle \sf{ = \frac{90 \times 36}{ 405} }$

$\displaystyle \sf{ = \frac{2 \times 36}{ 9} }$

$\displaystyle \sf{ = 2 \times 4}$

$\displaystyle \sf{ = 8 }$

FINAL ANSWER

Hence the correct option is 8

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