Sasi Math (Revised for 1024)

Scroll:Percentage >> Percentage >> ps (2901)

Written Instructions:

For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..

For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.

Leave your answers in the simplest form or correct to two decimal places.

A tank was 80% full of water. When 40% of the water was used, 480 litres of water remained in the tank. How many litres of water can a tank hold

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Answer:_______________

A tank was 40% full of water. When 20% of the water was used, 288 litres of water remained in the tank. How many litres of water can a tank hold

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Answer:_______________

A tank was 40% full of water. When 50% of the water was used, 160 litres of water remained in the tank. How many litres of water can a tank hold

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Answer:_______________

A tank was 60% full of water. When 40% of the water was used, 396 litres of water remained in the tank. How many litres of water can a tank hold

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Answer:_______________

A tank was 70% full of water. When 40% of the water was used, 126 litres of water remained in the tank. How many litres of water can a tank hold

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Answer:_______________

A tank was 80% full of water. When 10% of the water was used, 72 litres of water remained in the tank. How many litres of water can a tank hold

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Answer:_______________

A tank was 35% full of water. When 20% of the water was used, 364 litres of water remained in the tank. How many litres of water can a tank hold

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Answer:_______________

A tank was 40% full of water. When 25% of the water was used, 150 litres of water remained in the tank. How many litres of water can a tank hold

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Answer:_______________

A tank was 60% full of water. When 40% of the water was used, 72 litres of water remained in the tank. How many litres of water can a tank hold

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Answer:_______________

10)

A tank was 75% full of water. When 40% of the water was used, 540 litres of water remained in the tank. How many litres of water can a tank hold

ℓ

Answer:_______________

A tank was 80% full of water. When 40% of the water was used, 480 litres of water remained in the tank. How many litres of water can a tank hold

Answer: 1000ℓ

SOLUTION 1 :

Step 1:	40% of 80%	= $\frac{40}{100}$ x $\frac{80%}{1}$	(used)
		= 32%
Step 2:		80% - 32%	(left)
		= 48%
Step 3:	48%	→480ï»¿â„“ï»¿
	1%	→ $\frac{480}{48%}$
	100%	→ $\frac{480}{48%}$ x $\frac{100%}{1}$
		= 1000ï»¿â„“ï»¿

A tank was 40% full of water. When 20% of the water was used, 288 litres of water remained in the tank. How many litres of water can a tank hold

Answer: 900ℓ

SOLUTION 1 :

Step 1:	20% of 40%	= $\frac{20}{100}$ x $\frac{40%}{1}$	(used)
		= 8%
Step 2:		40% - 8%	(left)
		= 32%
Step 3:	32%	→288ï»¿â„“ï»¿
	1%	→ $\frac{288}{32%}$
	100%	→ $\frac{288}{32%}$ x $\frac{100%}{1}$
		= 900ï»¿â„“ï»¿

A tank was 40% full of water. When 50% of the water was used, 160 litres of water remained in the tank. How many litres of water can a tank hold

Answer: 800ℓ

SOLUTION 1 :

Step 1:	50% of 40%	= $\frac{50}{100}$ x $\frac{40%}{1}$	(used)
		= 20%
Step 2:		40% - 20%	(left)
		= 20%
Step 3:	20%	→160ï»¿â„“ï»¿
	1%	→ $\frac{160}{20%}$
	100%	→ $\frac{160}{20%}$ x $\frac{100%}{1}$
		= 800ï»¿â„“ï»¿

A tank was 60% full of water. When 40% of the water was used, 396 litres of water remained in the tank. How many litres of water can a tank hold

Answer: 1100ℓ

SOLUTION 1 :

Step 1:	40% of 60%	= $\frac{40}{100}$ x $\frac{60%}{1}$	(used)
		= 24%
Step 2:		60% - 24%	(left)
		= 36%
Step 3:	36%	→396ï»¿ï»¿â„“ï»¿
	1%	→ $\frac{396}{36%}$
	100%	→ $\frac{396}{36%}$ x $\frac{100%}{1}$
		= 1100ï»¿â„“ï»¿

A tank was 70% full of water. When 40% of the water was used, 126 litres of water remained in the tank. How many litres of water can a tank hold

Answer: 300ℓ

SOLUTION 1 :

Step 1:	40% of 70%	= $\frac{40}{100}$ x $\frac{70%}{1}$	(used)
		= 28%
Step 2:		70% - 28%	(left)
		= 42%
Step 3:	42%	→126ï»¿â„“ï»¿
	1%	→ $\frac{126}{42%}$
	100%	→ $\frac{126}{42%}$ x $\frac{100%}{1}$
		= 300ï»¿â„“ï»¿

A tank was 80% full of water. When 10% of the water was used, 72 litres of water remained in the tank. How many litres of water can a tank hold

Answer: 100ℓ

SOLUTION 1 :

Step 1:	10% of 80%	= $\frac{10}{100}$ x $\frac{80%}{1}$	(used)
		= 8%
Step 2:		80% - 8%	(left)
		= 72%
Step 3:	72%	→72ï»¿â„“ï»¿
	1%	→ $\frac{72}{72%}$
	100%	→ $\frac{72}{72%}$ x $\frac{100%}{1}$
		= 100ï»¿â„“ï»¿

A tank was 35% full of water. When 20% of the water was used, 364 litres of water remained in the tank. How many litres of water can a tank hold

Answer: 1300ℓ

SOLUTION 1 :

Step 1:	20% of 35%	= $\frac{20}{100}$ x $\frac{35%}{1}$	(used)
		= 7%
Step 2:		35% - 7%	(left)
		= 28%
Step 3:	28%	→364ï»¿â„“ï»¿
	1%	→ $\frac{364}{28%}$
	100%	→ $\frac{364}{28%}$ x $\frac{100%}{1}$
		= 1300ï»¿â„“ï»¿

A tank was 40% full of water. When 25% of the water was used, 150 litres of water remained in the tank. How many litres of water can a tank hold

Answer: 500ℓ

SOLUTION 1 :

Step 1:	25% of 40%	= $\frac{25}{100}$ x $\frac{40%}{1}$	(used)
		= 10%
Step 2:		40% - 10%	(left)
		= 30%
Step 3:	30%	→150ï»¿â„“ï»¿
	1%	→ $\frac{150}{30%}$
	100%	→ $\frac{150}{30%}$ x $\frac{100%}{1}$
		= 500ï»¿â„“ï»¿

A tank was 60% full of water. When 40% of the water was used, 72 litres of water remained in the tank. How many litres of water can a tank hold

Answer: 200ℓ

SOLUTION 1 :

Step 1:	40% of 60%	= $\frac{40}{100}$ x $\frac{60%}{1}$	(used)
		= 24%
Step 2:		60% - 24%	(left)
		= 36%
Step 3:	36%	→72ï»¿ï»¿â„“ï»¿
	1%	→ $\frac{72}{36%}$
	100%	→ $\frac{72}{36%}$ x $\frac{100%}{1}$
		= 200ï»¿â„“ï»¿

10)

A tank was 75% full of water. When 40% of the water was used, 540 litres of water remained in the tank. How many litres of water can a tank hold

Answer: 1200ℓ

SOLUTION 1 :

Step 1:	40% of 75%	= $\frac{40}{100}$ x $\frac{75%}{1}$	(used)
		= 30%
Step 2:		75% - 30%	(left)
		= 45%
Step 3:	45%	→540ï»¿â„“ï»¿
	1%	→ $\frac{540}{45%}$
	100%	→ $\frac{540}{45%}$ x $\frac{100%}{1}$
		= 1200ï»¿â„“ï»¿