Question

What will the time be?
1. 1 hour after 10:30
2. 15 minutes after 3:30
3. 20 minutes before 5:00
4. 30 minutes after 4:30
5. 45 minutes before 9:15
hoclocks and show the
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Answer 1

SOLUTION

TO DETERMINE

The time

1. 1 hour after 10:30

2. 15 minutes after 3:30

3. 20 minutes before 5:00

4. 30 minutes after 4:30

5. 45 minutes before 9:15

EVALUATION

The time

1. 1 hour after 10:30

So the time will be increased by 1 hour

∴ The required time

= 11 : 30

2. 15 minutes after 3:30

So the time will be increased by 15 minutes

∴ The required time

= 3 : 45

3. 20 minutes before 5:00

So the time will be increased by 20 minutes

∴ The required time

= 5 : 20

4. 30 minutes after 4:30

So the time will be increased by 30 minutes

∴ The required time

= 5 : 00

5. 45 minutes before 9:15

So the time will be decreased by 1 hour

∴ The required time

$= 8 : 30$

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Answer 2

$\huge\underline{\bf \orange{AnSweR :}}$

The time

1. 1 hour after 10:30

So the time will be increased by 1 hour

∴ The required time

= 11 : 30

2. 15 minutes after 3:30

So the time will be increased by 15 minutes

∴ The required time

= 3 : 45

3. 20 minutes before 5:00

So the time will be increased by 20 minutes

∴ The required time

= 5 : 20

4. 30 minutes after 4:30

So the time will be increased by 30 minutes

∴ The required time

= 5 : 00

5. 45 minutes before 9:15

So the time will be decreased by 1 hour

∴ The required time

→ 8 :30