Question
A mixture contains 75% alcohol and rest water. A man
withdrew some mixture using a cup and replaced it with same quantity of petrol, such that the quantity of alcohol remaining in the mixture now is 60%. If the man wants to bring down the quantity of alcohol to less than 40%, then how many more times should he repeat the same process?Solution
Let the percentage of mixture withdrawn first time be ‘p%’. ATQ; 75 × {1 − (p/100)} = 60 Or, 1 − (p/100) = 0.8 Or, (p/100) = 0.2 So, p = 20 So, 20% mixture is drawn every time. Now, Quantity of alcohol remaining after withdrawing once more = 60 × 0.8 = 48 And,
Quantity of alcohol remaining after withdrawing once more = 48 × 0.8 = 38.4 So, after withdrawing two more times, the quantity of alcohol reaches less than 40%.
Where there is an unconditional contract for the sale of specific goods in a deliverable state, the property in the goods passes to the buyer
Indian Evidence Act, 1872 was enforced on :
How often is the Board required to meet according to the Micro, Small and Medium Enterprises Development Act?
What is the penalty for withholding property, etc. as per section 30 of the General Insurance Business (Nationalisation) Act?
The judgment in every trial in any Criminal Court or original jurisdiction shall be pronounced in open Court by the presiding officer immediately after ...
As per FEMA what is the timeframe within which the Adjudicating Authority should endeavor to dispose of a complaint received by it?
In the event of occurrence of any vacancy in the office of the Presiding Officer of the Securities Appellate Tribunal by reason of his death, resignatio...
When a counterclaim is set up in a suit, what happens to the counterclaim if the suit is dismissed?
As laid down under section 7 of the IBC the financial creditor shall, along with the application furnish________________
The President shall be ________
Relevant for Exams:
