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1. A factory manufactures 568 soaps in a day. How many soaps will the factory manufacture in 12 weeks?

2. From a can containing 10 liters of milk, Mrs. Menon used 3.8 liters in the morning and 2.3 liters in the evening. How many hectoliters of milk are left in the can?

3. Find the measure of the side of a square, given its area:
a) [tex]36 \, \text{sq. cm}[/tex]
b) [tex]49 \, \text{sq. m}[/tex]

4. Akash is 8 years and 8 months old. His father is 33 years and 9 months older than him. How old is his father?

5. Find the time durations for the following activities:
a) Starting time = 3:20 a.m., Finishing time = 10:15 a.m.
b) Starting time = 4:26 p.m., Finishing time = 11:34 p.m.

Answer :

Sure! Let's break down and solve each part of the question step-by-step:

1. Soap Production:
- A factory manufactures 568 soaps in one day.
- There are 7 days in a week, so the factory makes [tex]\( 568 \times 7 = 3,976 \)[/tex] soaps per week.
- Over 12 weeks, the factory will manufacture [tex]\( 3,976 \times 12 = 47,712 \)[/tex] soaps.

2. Milk Usage:
- Mrs. Menon starts with 10 liters of milk.
- She uses 3.8 liters in the morning and 2.3 liters in the evening.
- The total milk used is [tex]\( 3.8 + 2.3 = 6.1 \)[/tex] liters.
- So, the milk left is [tex]\( 10 - 6.1 = 3.9 \)[/tex] liters.
- To convert the remaining milk into hectoliters, we calculate [tex]\( 3.9 \)[/tex] liters as [tex]\( 3.9 / 100 = 0.039 \)[/tex] hectoliters.

3. Area of a Square:
- For the first square with an area of 36 square centimeters, the side is found using the formula [tex]\(\text{side} = \sqrt{\text{area}}\)[/tex]. Therefore, the side is [tex]\(\sqrt{36} = 6\)[/tex] cm.
- For the second square with an area of 49 square meters, the side is [tex]\(\sqrt{49} = 7\)[/tex] m.

4. Age Calculation:
- Akash's age is 8 years and 8 months.
- His father is 33 years and 9 months older than him.
- Adding these, his father’s age in years and months becomes [tex]\( 8 + 33 = 41 \)[/tex] years and [tex]\( 8 + 9 = 17 \)[/tex] months.
- Since 17 months is more than 12 months, it equals 1 year and 5 months.
- Thus, his father's age is [tex]\( 42 \)[/tex] years and 5 months.

5. Time Duration:
- Activity a:
- Starts at 3:20 a.m. and ends at 10:15 a.m.
- Calculate the total duration in minutes: from 3:20 to 10:15 is 6 hours and 55 minutes.
- That's a total of [tex]\( 6 \)[/tex] hours and [tex]\( 55 \)[/tex] minutes.

- Activity b:
- Starts at 4:26 p.m. and ends at 11:34 p.m.
- The total duration is from 4:26 p.m. to 11:34 p.m., which is 7 hours and 8 minutes.
- That's a total of [tex]\( 7 \)[/tex] hours and [tex]\( 8 \)[/tex] minutes.

I hope this detailed explanation helps you understand how to arrive at each answer! If you have any questions, feel free to ask.

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