Jaidev takes 2—1/5 minutes to walk across the school ground. Rahul takes 7/4 minutes to do the same. Who takes less time and by what fraction?
Answers
Answered by
3
Answer:
Jaidev takes lesser time by 7/20 min than Rahul
Step-by-step explanation:
Jaidev Takes 7/5 mins
Rahul Takes 7/4 mins
7/5 < 7/4
so Jaidev takes lesser time
7/4 - 7/5
= 35/20 - 28/20
= 7/20
so Jaidev takes lesser time by 7/20 min than Rahul
Answered by
0
Answer:
Step-by-step explanation:
Time taken by Jaidev = \frac{11}{5}
5
11
minutes
Time taken by Rahul = \frac{7}{4}
4
7
minutes
Difference = \frac{11}{5}-\frac{7}{4}=\frac{\left(11\times4\right)-\left(7\times5\right)}{20}=\frac{44-35}{20}=\frac{9}{20}
5
11
−
4
7
=
20
(11×4)−(7×5)
=
20
44−35
=
20
9
Hence, Rahul takes \frac{9}{20}
20
9
less time than Jaidev.
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