Question 130

Sana and Fatima participated in an apple race. The race was conducted in 6 parts. In the first part, Sana won by 10 seconds. In the second part, she lost by 1 min, then won by 20 seconds in the third part and lost by 25 seconds in the fourth part, she lost by 37 seconds in the fifth part and won by 12 seconds in the last part. Who won the race finally?

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Solution

Let difference in time denoted by positive, when Sana wins the race and negative, when Sana loses the race.
Total difference in time taken by Sana in all the six parts
= 10 - 60 + 20 - 25 - 37 + 12 = -80s $[∵ 1 m i n = 60 s]$
Hence, Fatima won the race by 80 s.

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Let difference in time denoted by positive, when Sana wins the race and negative, when Sana loses the race. Total difference in time taken by Sana in all the six parts = 10 - 60 + 20 - 25 - 37 + 12 = -80s [∵1 min=60s] Hence, Fatima won the race by 80 s.

Let difference in time denoted by positive, when Sana wins the race and negative, when Sana loses the race.
Total difference in time taken by Sana in all the six parts
= 10 - 60 + 20 - 25 - 37 + 12 = -80s $[∵ 1 m i n = 60 s]$
Hence, Fatima won the race by 80 s.