2. Questions Bank
  3. 7th Class
  4. Mathematics
  5. Rational Numbers

7th Class Mathematics Rational Numbers Question Bank Rational Numbers

  • question_answer
    Rajeev, Simran and Bhuvik walk around a circular park. They take \[\frac{2}{3}h\], \[\frac{3}{5}h\] and \[\frac{7}{12}\] to complete one round. What is the total time taken by them to complete a round in minutes?

    A)  119 minutes     

    B)  150 minutes    

    C)  160 minutes                 

    D)  111 minutes

    Correct Answer: D

    Solution :

    (d) Total time taken by Rajeev, Simran and Bhuvik to walk around circular park = \[\left( \frac{2}{3}+\frac{3}{5}+\frac{7}{12} \right)\]h= \[\left( \frac{40+36+35}{60} \right)\]hr. \[=\frac{111}{60}\]hr \[=\frac{111}{60}\times 60\] minutes =111 minutes


You need to login to perform this action.
You will be redirected in 3 sec spinner