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Sudhansu Sekhar M.
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Pre-Calculus
TutorMe
Question:

​k=50 ​∑ ​​ (4k+2)= ? k=1

Sudhansu Sekhar M.
Answer:

If K=1, 4X1+2=6 if K=50, 4X50+2= 202 So, 202-6=196

Pre-Algebra
TutorMe
Question:

A wall is 6 meters long and 4 meters height. What is its one side area?

Sudhansu Sekhar M.
Answer:

Now imagine , wall of house that is 6 meter long and 4 meter height. So that Length X breadth = Area. so, 6X4=24 square meter. Area

Basic Math
TutorMe
Question:

A mixture constituents of Milk and water in the ration of 2:1 But milk man added 6 liters of pure water to this for getting some benefits. The ratio of milk and water becomes 4:5. What is the quantity of original mixture?

Sudhansu Sekhar M.
Answer:

Let us consider the water is X liters. Water is denoted as W= 1x and Milk is denoted as M=2x, So M: W= 2x:1x ---------- (eqn-1) 6 liters pure water added means W= 1x+6. The ratio of Milk and water is M: W = 2x:1x+6, This is equal to ratio 4:5 after mixing. It means 2x:1x+6= 4:5 ---------------(eqn-2) After finding solution .of eqn-2 x is found to be 4. so that Milk is 8 and water is 4 in original quantity.

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