Question

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Rahul took 3 minutes 40 seconds to solve rubic cube whereas Nisha took 27 seconds more time than Rahul. Riya was 78 seconds faster as compared to Nisha. Find out the time taken by Riya to solve the rubic cube.​

Answer 1

$\huge\ \fcolorbox{aqua}{aqua}{Answer}$

Rahul takes time

= 3 min 40 sec

Whereas,

Nisha takes time

= 3 min 40sec + 27 sec

= 3 min 67 sec

Riya do it 78 sec faster

= total time by both - 78 sec

= 3 min 67 sec - 78 sec

= 2 min 89 sec

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Answer 2

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