Notice (8): Undefined offset: 1 [APP/Controller/Component/FormulaComponent.php, line 257]
Code Context
                $a = round($a,2);
                $split = explode('.', $a);
                if(strlen($split[1])==1)
$a = (float) 8
$findme = '.'
$search_result = (int) 1
$split = array(
	(int) 0 => '8'
)
FormulaComponent::round_2_decimal() - APP/Controller/Component/FormulaComponent.php, line 257
CommonComponent::calculate_frac() - APP/Controller/Component/CommonComponent.php, line 5346
CommonComponent::generateAdvClone() - APP/Controller/Component/CommonComponent.php, line 4216
ClonesController::index2() - APP/Controller/ClonesController.php, line 2226
ReflectionMethod::invokeArgs() - [internal], line ??
Controller::invokeAction() - CORE/Cake/Controller/Controller.php, line 490
Dispatcher::_invoke() - CORE/Cake/Routing/Dispatcher.php, line 193
Dispatcher::dispatch() - CORE/Cake/Routing/Dispatcher.php, line 167
[main] - APP/webroot/index.php, line 119

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Question

Rate more than 1 object, Unit conversion, Volume, Volume of cuboid, Filling tank, D Place values, D Round off, Percent of a whole

P6.SP.JC.17053049-A1

Tank X measuring 56 cm by 23 cm by 23 cm contains 6.6 ℓ of water. It is being filled with water flowing from Tap Y at 0.4 ℓ/min and Tap Z at 627 mℓ/min. Both taps are turned on at the same time. How long does it take to fill up Tank X till it is 50% full? Correct the answer to 1 decimal place.

3 m

{"A":"X","n54":56,"n14":23,"n25":23,"n4.7":6.6,"n0.9":0.4,"n995":627,"n75":50,"(X)":"Y","(Y)":"Z","(n0.75)":0.5,"(n14175)":14812,"(n4700)":6600,"(n990)":400,"(n9475)":8212,"(n1895)":1027,"(n5-wo)":7.9961051606621,"(n5A-3)":"8","(n5A-1)":"8"}

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Tank X measuring 56 cm by 23 cm by 23 cm contains 6.6 ℓ of water. It is being filled with water flowing from Tap Y at 0.4 ℓ/min and Tap Z at 627 mℓ/min. Both taps are turned on at the same time. How long does it take to fill up Tank X till it is 50% full? Correct the answer to 1 decimal place.
Volume of Tank X at 50% full
= 56 x 23 x 23 x 50%
= 54 x 14 x 25 x ⁷⁵₁₀₀
= 14812 cm³ 

1 ℓ = 1000 mℓ = 1000 cm³ 
6.6 ℓ = 1000 x 6.6 = 6600 cm³
0.4 ℓ = 1000 x 0.4 = 400 cm³

Volume of water to fill Tank X
= 14812 - 6600
= 8212 cm³ 

Volume of water from the two taps per minute
= 400 + 627
= 1027 cm³/min

Time taken to fill Tank X to 50%
= 8212 ÷ 1027
≈ 8 min

Answer(s): 8 min

3 m

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Tank X measuring 56 cm by 23 cm by 23 cm contains 6.6 ℓ of water. It is being filled with water flowing from Tap Y at 0.4 ℓ/min and Tap Z at 627 mℓ/min. Both taps are turned on at the same time. How long does it take to fill up Tank X till it is 50% full? Correct the answer to 1 decimal place.

{"A":"X","n54":56,"n14":23,"n25":23,"n4.7":6.6,"n0.9":0.4,"n995":627,"n75":50,"(X)":"Y","(Y)":"Z","(n0.75)":0.5,"(n14175)":14812,"(n4700)":6600,"(n990)":400,"(n9475)":8212,"(n1895)":1027,"(n5-wo)":7.9961051606621,"(n5A-3)":"8","(n5A-1)":"8"}

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Ischool Pte Ltd

Date:19 May 2024

Topic: SPEED

Question Code: P6.SP.JC.17053049

Student:

Class:

Level:

School:

---

Tank X measuring 56 cm by 23 cm by 23 cm contains 6.6 ℓ of water. It is being filled with water flowing from Tap Y at 0.4 ℓ/min and Tap Z at 627 mℓ/min. Both taps are turned on at the same time. How long does it take to fill up Tank X till it is 50% full? Correct the answer to 1 decimal place.

(3 m)

Answer(s):

Ischool Pte Ltd

Date: 19 May 2024

Topic: SPEED

Question Code: P6.SP.JC.17053049

Student:

Class:

Level:

School:

---

Tank X measuring 56 cm by 23 cm by 23 cm contains 6.6 ℓ of water. It is being filled with water flowing from Tap Y at 0.4 ℓ/min and Tap Z at 627 mℓ/min. Both taps are turned on at the same time. How long does it take to fill up Tank X till it is 50% full? Correct the answer to 1 decimal place.

(3 m)

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• 
• 
• 
• 
• 

• 

Primary 6 SPEED P6.SP.JC.17053049

19 May 2024, 09:53 PM

Tank X measuring 56 cm by 23 cm by 23 cm contains 6.6 ℓ of water. It is being filled with water flowing from Tap Y at 0.4 ℓ/min and Tap Z at 627 mℓ/min. Both taps are turned on at the same time. How long does it take to fill up Tank X till it is 50% full? Correct the answer to 1 decimal place.

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ISchool Pte Ltd

Date:19 May 2024

Topic:SPEED

Question Number:P6.SP.JC.17053049-A1

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