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Question

Santra finished colouring a picture in 916 hour. Vaibhav finished colouring the same picture in 58 hours. Who worked longer? By what fraction was it longer?

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Solution

To find 'who worked longer' lets make the denominators of both the fractions same. So we can easily compare them by looking at their numerator.

Time taken by Santra = 916

Time taken by Vaibhav = 58=5×28×2=1016

By looking at the numerator, 10 > 9. So Vaibhav worked longer.

Difference will be, =1016916=116hrs
So, by 116 hours it was longer.

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