MIXTURE & ALLIGATION INGREDIENTS ADDITION Presented By: Abhishek Kumar

ABOUT ME: oCompleted B.Tech Cleared Bank Of Baroda Cleared SSC CHSL oUPSC Aspirant oCurrently working in IBM India o Email- bitus 1 424@amail.com oFollow: https://unacademy.com/user/bituS 1424

TARGET AUDIENCE oBanking aspirant oSSC Aspirant

PROBLEM6 49 litres of milk has 80% milk concentration. How much water be added to make its concentration 70%? Soln: The given solution has 80% milk concentration. Water to be added has 0% milk concentration. So, Milk 80% Water -0% 70% 10% i.e 7 The quantity of water to be added is (1/7)*49-7litres be added is (1/7)"49-litre

PROBLEM 7: 6 litres of milk and water mixture has 75% milk in it. How much milk should be added to the mixture to make it 90% pure? Soln: 75 100% 90% 10% 15% i.e. 2 So quantity of milk to be added is (3/2)*6-9litres

PROBLEM 8 In 40 litres mixture of milk and water, the ratio of milk to water is 7:1. In order to make the ratio of milk and water 3:1, the quantity of water(in litres) that should be added to the mixture will be? Soln: We will go with milk conc. Soln1 7/8 Soln2 0 3/4 3/4 1/8 i.e 6 So, the quantity of water to be added is (1/6)*40-20/3 litres

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Abhishek Kumar

UPSC Aspirant|
Cleared SBI PO|
Cleared BOB PO|
NDA, AFCAT exam|
Attended SSB thrice|
Cracked SSC CHSL|
Worked as Software engineer IBM

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Satish Rao

a year ago

excellent videos sir

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Saurav midha

2 years ago

sir in question six why we didn't multiply 1/8*49 instead of 1/7*49

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Swathy

2 years ago

I have the same doubt too.

Chandrashekhar Koravi

2 years ago

in problem number 8 how does 3/4 becomes 6 and 1/8 becomes 1?

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Swathy

2 years ago

3/4 =o.75 and 1/8=0.125 0.75/0.125=6 therefore it becomes 6:1

Mehul Waghela

2 years ago

3/4*8 & 1/8*8 Multiplying with a common divisible no. to remove fraction.

Tamang Waiba

2 years ago

q6 is little confusing

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