Rohit- Peter and Santosh walk around a circular park- They take 1-3h- 2-5h and 5-12h to complete one round- What is the total time taken by them to complete a round in minutes-

Total time taken by Rohit, Peter and Santosh to walk around a circular park = (1/3+2/5+5/12 )h = 20/60 + 24/60 + 25/60 =69/60× 60 minutes = 69 minutes ...

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Byju's Answer

Standard VII

Mathematics

LCM

Rohit, Peter ...

Question

Rohit, Peter and Santosh walk around a circular park. They take $\frac{1}{3} h, \frac{2}{5} h$ and $\frac{5}{12} h$ to complete one round. What is the total time taken by them to complete a round in minutes?

60 minutes

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69 minutes

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50 minutes

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79 minutes

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Solution

The correct option is B 69 minutes
Total time taken by Rohit, Peter and Santosh to walk around a circular park = $(\frac{1}{3} + \frac{2}{5} + \frac{5}{12}) h$
$= \frac{20}{60} + \frac{24}{60} + \frac{25}{60}$
$= \frac{69}{60} \times 60$ minutes = 69 minutes

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Rohit, Peter and Santosh walk around a circular park. They take 13h,25h and 512h to complete one round. What is the total time taken by them to complete a round in minutes?

The correct option is B 69 minutesTotal time taken by Rohit, Peter and Santosh to walk around a circular park = (13+25+512)h =2060+2460+2560 =6960×60 minutes = 69 minutes

Rohit, Peter and Santosh walk around a circular park. They take $\frac{1}{3} h, \frac{2}{5} h$ and $\frac{5}{12} h$ to complete one round. What is the total time taken by them to complete a round in minutes?

The correct option is B 69 minutes
Total time taken by Rohit, Peter and Santosh to walk around a circular park = $(\frac{1}{3} + \frac{2}{5} + \frac{5}{12}) h$
$= \frac{20}{60} + \frac{24}{60} + \frac{25}{60}$
$= \frac{69}{60} \times 60$ minutes = 69 minutes