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All questions of Capacity for Primary 2 Exam

Soni can cycle from point A to point B and return to point A in 10 minutes. She can cycle and walk back in 18 minutes. It will take ___ mins for her to walk there and walk back.
  • a)
    15 minutes
  • b)
    26 minutes
  • c)
    30 minutes
  • d)
    36 minutes
Correct answer is option 'B'. Can you explain this answer?

Soni can cycle from point A to point B and return to point A in 10 minutes.
so for 1 round with cycle it would take 5 minutes
 She can cycle and walk back in 18 minutes.
it would take 18 - 5 minutes to walk , so 13 minutes for walk
It will take 26 mins for her to walk there and walk back.

Tank A contains 6 times as much water as Tank B. How much water must Mohan transfer from Tank A to Tank B so that each tank contains 70 litres of water?
  • a)
    50 litres
  • b)
    60 litres
  • c)
    75 litres
  • d)
    120 litres
Correct answer is option 'A'. Can you explain this answer?

Aditi Sharma answered
Let quantity of water in tank B be x litres.
Then quantity of water in the tank A=6x litres
Total water in both the tanks =x+6x
=140 liters
⇒7x=140⇒x=20
∴ Water in tank B=20 litres
⇒ Water in tank A=20×6=120 litres
So, quantity of water to be transferred from tank A to tank B, so that each tank contains 70 litres= 70 −20=50 litres
Therefore, 50 liters  of water should be transferred.

Mrs. Reeta had 17.85 m of ribbon. She cut 11 smaller pieces each of length 0.45 m from it. How many metres of ribbon were left?
  • a)
    3.15 m
  • b)
    12.90 m
  • c)
    8.85 m 
  • d)
    17.5 m
Correct answer is option 'B'. Can you explain this answer?

Manoj Desai answered
To find out how many meters of ribbon were left, we need to subtract the total length of the smaller pieces cut from the original length of ribbon.

1. Calculate the total length of the smaller pieces:
- Mrs. Reeta cut 11 smaller pieces each of length 0.45 m.
- So, the total length of the smaller pieces = 11 * 0.45 = 4.95 m

2. Subtract the total length of the smaller pieces from the original length of ribbon:
- Original length of ribbon = 17.85 m
- Total length of smaller pieces = 4.95 m
- Remaining length of ribbon = Original length of ribbon - Total length of smaller pieces
= 17.85 m - 4.95 m
= 12.90 m

Therefore, there were 12.90 meters of ribbon left.

Hence, the correct answer is option B) 12.90 m.

A rope is 6.45 m long. If 2.80 m of the rope is cut off, what length of rope remains?
  • a)
    • 3.45 m
  • b)
    • 3.65 m
  • c)
    • 4.15 m
  • d)
    • 4.55 m
Correct answer is option 'B'. Can you explain this answer?

Understanding the Problem
To find out how much rope remains after cutting a portion off, we need to perform a simple subtraction.
Initial Length of the Rope
- The total length of the rope before cutting is 6.45 meters.
Length Cut Off
- The length of rope that is cut off is 2.80 meters.
Calculation
To find the remaining length, we subtract the length cut from the initial length:
- Remaining Length = Initial Length - Length Cut Off
- Remaining Length = 6.45 m - 2.80 m
Performing the Calculation
- Start by aligning the numbers:
6.45
- 2.80
______
- Subtract the numbers column by column:
1. Hundredths Place: 5 - 0 = 5
2. Tenths Place: 4 - 8: Since 4 is less than 8, we borrow 1 from the units place (making it 5), turning 4 into 14. Thus, 14 - 8 = 6.
3. Units Place: 5 - 2 = 3.
Putting it all together gives us 3.65 meters.
Conclusion
The remaining length of rope after cutting off 2.80 meters from the original 6.45 meters is:
- 3.65 meters, which corresponds to option b.

A shopkeeper mixed 4.75 kg of hazelnuts with 0.75 kg of raisins. He packed the mixture equally into 5 boxes. What is the weight of each box?
  • a)
    1.25 kg 
  • b)
    1.1 kg
  • c)
    1.55 kg 
  • d)
    1.2 kg
Correct answer is option 'B'. Can you explain this answer?

Aditi Sharma answered
weight of hazelnut = 4.75kg
weight of raisins = 0.75 kg
total weight = 4.75 +0.75 = 5.5kg
No of box = 5
therefore weight of each box = total weight / no of box
= 5.5kg/ 5
= 1.1kg

What is the mass 20 such?
  • a)
    60 kg
  • b)
    160 kg
  • c)
    80 kg
  • d)
    180 kg
Correct answer is option 'B'. Can you explain this answer?

  • On left side 12 balls
  • On right side 7 balls and 40 kg
  • So as both side weigth are equal so equating them
  • Let x be the weight of a single ball
  • 12x=7x+40
  • 5x=40
  • x=8
  • The mass of 20 such balls will be 160kg

Question: Convert into centimetres of 26 m 6 cm
  • a)
    2606 cm
  • b)
    20 cm
  • c)
    2066 cm
  • d)
    206 cm
Correct answer is option 'A'. Can you explain this answer?

- To convert meters to centimetres, remember that 1 meter equals 100 centimetres.
- First, convert 26 meters into centimetres: 26 x 100 = 2600 cm.
- Add the remaining 6 centimeters: 2600  + 6 cm = 2606 cm.
- Therefore, the total length in centimetres is 2606 cm.


How much postage is needed to send a local mail of weight 310 g?
  • a)
    Rs. 22.50
  • b)
    Rs. 25
  • c)
    Rs. 30
  • d)
    Rs. 27.50
Correct answer is option 'B'. Can you explain this answer?

Avinash Patel answered
390g would be split in 60g and 250g 
and 250g = 5 x 50g
so for first 60g 12.5Rs and for every 50g x 2.5 
12.50 + 5 × 2.5 = Rs.25

What is the capacity of the?
  • a)
    12 litres
  • b)
    24 litres
  • c)
    20 litres
  • d)
    18 litres
Correct answer is option 'B'. Can you explain this answer?

  • 1 bucket = 4 jugs
  • 2 jugs = 3 litres
  • If 2 jugs = 3 litres, then:
    Another 2 jugs will also be 3 litres.
  • So, 4 jugs = 3 litres + 3 litres = 6 litres.
    Therefore, 1 bucket = 6 litres.
  • The container has 4 buckets.
    Each bucket is 6 litres, so:
    4 buckets = 6 litres × 4 = 24 litres.

What goes in circle 2750cm28 m
  • a)
    <
  • b)
    >
  • c)
    =
  • d)
Correct answer is option 'A'. Can you explain this answer?

Aditi Sharma answered
28 m is larger becuase 1m = 1000 cm
Thus 28 m = 2800 cm which is greater than 2750cm

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