Question

9. What time will it be 6 hours 30 minutes after 9:40 p.m.?
10. What time was it 3 hours before 1:30 p.m.?​

Answer 1

Answer:

6:30+9:40=15:70

                  =16:10

                   =4:10a.m.

1:30p.m.-3=10:30 a.m.

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Answer 2

Answer: 6:30+9:40=15:70

                 =16:10

                  =4:10a.m.

1:30p.m.-3=10:30 a.m.

Step-by-step explanation:

Complete step-by-step answer:

Given time:

9 : 40 p.m.

Now we have to find out what time will be 6 hours 30 minutes after 9 : 40 p.m.?

As we all know that in 1 hour there is 60 minutes.

And we all know that in a : b, a represents the hour number and b represents the minute number.

So add 6 hour in 9 hour and add 30 minutes in 40 minutes, we have,

Therefore, (9 + 6) : (30 + 40) = 15 : 70 a.m.

Now 60 minute = 1 hour.

So 15 changed into 16

So the actual time is = 16 : 10

So, 9 : 40 p.m. + 6 hours 30 minutes = 16 : 10 a.m.

                                                              =4 : 10 a.m.

So this is the required answer.

Note: Whenever we face such types of questions the key concept we have to remember is that in 60 minutes there is 1 hour, so if in a:b, if b is greater than or equal to 60 than a is convert in to (a + 1) and b is convert into (b - 60) so the actual time become (a + 1) : ( b – 60), and always recall that if we start from a.m. than at 12 o’clock it will remain a.m. and past 12 o’clock it will convert into p.m. and if we start from p.m. than at 12 o’clock it will remain p.m. and past 12 o’clock it will convert into a.m.

Step1: 1:30 p.m. = 13:30 p.m.

Step2: 13:30 - 3hours = 10 hours 30 minutes

Step3: 10 hours 30 minutes = 10:30 a.m.

Hence 3 hours before 1:30 p.m. is 10:30 a.m.

To learn more about Hours given below:

https://brainly.in/question/48846573

To learn more about Minutes given below:

https://brainly.in/question/823045

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