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Time | Transcript |
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00:00 - 00:59 | the question states your coffee distributor randomly post 200 employees from each of the two companies and asked each employee how many cups of coffee he or she drinks birthday the data shown in the table below so that is the table where you can see that the number of cups of coffee trunk by each of the by 200 is stated below there are four thousand company at sat there are three thousand employees at company why what is the difference between the expected number of employees in total who drink one cup of coffee at company X and the expected total number of employees could drink one cup of coffee at company why so whatever data is given that data is only for 200 people were polled right and now we want to find out the number of people over for 4000 employees in company accent 3000 company employees in company why who drink one cup of coffee is a term used in which is expected so |

01:00 - 01:59 | what we are expecting is the number of people who drink one cup of coffee for 200 employees will be proportional to the number of people who drink one cup of coffee out of 4000 right so we were established a proportional literary relation between both the company for the number of people who drink one cup of coffee company x on the left and company right let's work it out now now this one cup of coffee out of 200 people strong by 25 people from company to 25 people out of 200 people proportional to the people who drink one cup of coffee from company act by total number of people or employees 4000 from here to calculate the value of x you will get X will be equal to |

02:00 - 02:59 | 500 for company x 42 SB find IT company why the same method Swift 25 people drink one cup of coffee out of 200 people from company was then that will be proportional to the number of people who drink one cup of coffee out of 3000 employees of company by right to from here you will get the value of Y equal to 375 1 cup of coffee company X and total number of employees who drink one cup of coffee company why we do 375 from 500 and that will give you an answer of let's wait here x minus y equal to 500 - 375 that is equal to 125 option is |

03:00 - 03:59 | the correct answer the first question now the question based on the pole the numbers from company who drank 2 cups of coffee was what percent greater than the number of employees of company X who drank a cup of coffee soap company 65000 cups of coffee or 200 people and company white people track zero cups of coffee from company vi out of 200 people so let's assume that the percentage by which paint is greater than 5 is X so that you can express in a relation as 5 keeping the server in view 5 + X out of 100 in 25 should be equal to 20 right that X is the percentage by which |

04:00 - 04:59 | the number of people of people who drinks zero cup of coffee drinks Hero cup of coffee from company Wi-Fi is Greater creta then in company X write this if you write it in an equation for it with this answer what we do simply we will find out the value of x 5 x by 120 - 5 that is 50 so X by 100 will be 15 by 5 letters 3x 500 that is equal |

05:00 - 05:59 | to X percentage percentage is 323 % is the percentage by which the number of people from company white who brings you cup of coffee is more than that of company eqsis option C is the correct answer for this question |

**Concept of percentage
प्रतिशत क्या है **

**If a certain value p increases by x% then increased value
अगर हम p को x प्रतिशत से बढ़ाएंगे तो मान क्या होगा **

**If a certain value p decreased by x% then decreased value
अगर हम p को x प्रतिशत से घटाएंगे तो मान क्या होगा **

**If the price of a commodity increases by R%: then the reduction in consumption.
अगर किसी वास्तु का मूल्य R प्रतिशत से बढ़ाएंगे तो उसका सेवन कितने प्रतिशत से घाट जायेगा **

**If the price of a commodity decreases by R%: then the increase in consumption.
अगर किसी वास्तु का मूल्य R प्रतिशत से घटाएंगे तो उसका सेवन कितने प्रतिशत से बढ़ जायेगा **

**Results on Population : Population after n years
n सालों बाद की आबादी **

**Population n years ago
n सालों पहले की आबादी **

**Results on Depreciation : Value of the machine after n years
किसी मशीन का मूल्य n सालों बाद **

**Value of the machine n years ago
किसी मशीन का मूल्य n सालों पहले **

**If A is R% more than B: then B is less than A by
अगर A B से R प्रतिशत ज्यादा है तो B A से कितने प्रतिशत कम है **