Michael finished colouring a picture in / hour. Vaibhav finished colouring another picture in / hour. (i) Who worked longer? By what fraction was it longer? (ii) Both of them (Michael and Vaibhav) frames and sells the pictures at ₹990 each and thereby gains 10% and loses 10% respectively. What is the difference of their cost prices?
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Vaibhav took 1/6 hours extra then Michael
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Vaibhav worked for longer.
Step-by-step explanation:
Thus, Vaibhav took 1/6 hour more than Michael.
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