Question

At t minutes past 3pm, the time needed by the minutes hand of a clock to show 4pm was found to be 15 minutes more than t^2/60 minutes. The value of t is :
1: 15
2: 21
3: 30
4: 24

Choose the right answer??
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Answer 1

Answer:

15, 2:21, 10, 6

Step-by-step explanation:

1:15 canclled =15, 2:21 8n 2 table 21 is not coming , 3:30 canclled =10 , 4:24 =6