Question

In a school week, one-fifth of the students take part in 100m race and one-third take
part in 200 m race. The double of the difference of students taking part in 200 m race
and 100 m race take part in 4 x 100 m race. The rest 15 students enjoyed only. How
many students are there in the playground?​

Answer 1

Answer:

75 students are in the playground.

Step-by-step explanation:

Let the number of students be x

In 100 m race= x/5

In 200 m race= x/3

In 400 m race=  4x/15

Remaining =15

Sum of all the students -x

x/5 + x/3+ 4x/15 +15=x

12x/15 + 15= x

      3x=225

      x=75 students

Answer 2

Answer:

725

Step-by-step explanation:

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