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Rule of Three - sciencesparkle.com

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Rule of Three

Unlock the power of proportionality with the Rule of Three – where simple ratios pave the path to precise solutions. Master the art of three-step problem-solving and conquer mathematical challenges effortlessly!

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Science Sparkle Latest Questions

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Asked: 2 years agoIn: Rule of Three

15 persons can finish a work in 10 days working 8 hours per day. In how many days will 25 persons finish the work if they work 6 hours per day?

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a) 10 days b) 12 days c) 6 days d) 8 days correct answer is: d) 8 days Explanation

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Asked: 2 years agoIn: Rule of Three

A man can make 500 machine parts in 4 days working 7 hours per day. If he works for 7 days at the rate of 6 hours per day, then how many machine parts will be produced?

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a) 650 machine parts b) 700 machine parts c) 750 machine parts d) 800 machine parts correct answer is: c) 750 machine parts Explanation

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Science Sparkle
Asked: 2 years agoIn: Rule of Three

A certain number of men can complete a work in 12 days, working 8 hours per day. If they work 6 hours per day then how many days will be required to complete the work?

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a) 20 days b) 46 days c) 18 days d) 16 days correct answer is: d) 16 days Explanation

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Science Sparkle
Asked: 2 years agoIn: Rule of Three

18 bighas of land may be irrigated in 8 days by a shallow tube-well pump working 15 hours per day. How many days will it take to irrigate 21 bighas of land by operating the pump 10 hours per day?

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a) 10 days b) 14 days c) 24 days d) 40 days Correct answer is: b) 14 days Explanation

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Asked: 2 years agoIn: Rule of Three

A poultry farm having 4000 hens has provision of food for 200 days. How many hens must be sold after 40 days, so that the remaining food may last for 200 days more for the remaining hens?

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a) 800 hens b) 850 hens c) 900 hens d) 950 hens Correct answer is: a) 800 hens Explanation A poultry farm has provision of food for days.After 40 days the remaining days are days.Now, days ...

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Asked: 2 years agoIn: Rule of Three

560 gm of chromium is required to make 8 kg of stainless steel. How much chromium is required to make 15 kg of stainless steel?

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a) 1100 gm b) 1050 gm c) 1030 gm d) 1010 gm Correct answer is: b) 1050 gm Explanation kg of stainless steel is required gm chromium kg of stainless steel is required gm chromium ...

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Science Sparkle
Asked: 2 years agoIn: Rule of Three

There is a provision of food for 50 days of 500 soldiers in a fort. How many soldiers should leave after 30 days so that the remaining food may last for another 25 days for the remaining soldiers?

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a) 250 soldiers b) 200 soldiers c) 150 soldiers d) 100 soldiers correct answer is: d) 100 soldiers Explanation Here, Food provision for days.Number of soldiers After days, there will be ...

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Asked: 2 years agoIn: Rule of Three

The value of 3/5th part of a property is ₹4200. What is the value of 2/7th part of the property?

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a) ₹2000. b) ₹2100. c) ₹2200. d) ₹2300. correct answer is: a) ₹2000. Explanation th part of the property value is th part of the property value is th part of the property value is ...

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Science Sparkle
Asked: 2 years agoIn: Rule of Three

The price of 17 books is ₹272. Find the price of 32 such books.

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a) ₹512 b) ₹511 c) ₹510 d) ₹508 Correct answer is: a) ₹512 Explanation books price is book price is books price is Ans: The price of such books is Another ...

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Asked: 2 years agoIn: Rule of Three

A quantity of food provides 12 men for 20 days. How long will it last if the number of men is 40?

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a) 10 days b) 8 days c) 4 days d) 6 days correct answer is: d) 6 days Explanation Food provides men for days Food provides man for days Food provides men for ...

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