In a Math test there were 60 problems which were to be done in 1 hour. A student completes 30 problems in 20 minutes how many seconds does he have as average for completing each of the remaining problems.

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In a Math test there were 60 problems which were to be done in 1 hour. A student completes 30 problems in 20 minutes how many seconds does he have as average for completing each of the remaining problems.

1.50

2.60

3.80

4.90

Posted Date:-2021-09-20 02:50:13

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