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Quantitative Aptitude

Time & Work

What is the d...

Question

What is the difference in the telephone bill over 4 months, if the number of minutes for the first period is 4000 and the number of minutes for the second period is 2500?___

A

1668

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B

1500

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C

1800

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D

1750

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Solution

The correct option is B 1500
4000 minutes can be calculated as (1725 $\times$ 0.8)+(2000) = Rs 3380

2500 minutes can be calculated as (1725 $\times$ 0.8)+(500) = Rs 1880

Difference = 3380-1880 = 1500

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