Question
A classroom has a ratio of male to female students as
2:3. If 4 male and 6 female students join, the ratio of female to male students becomes 5:3. Find the original number of female students.Solution
ATQ, Let the initial number of male students be 2x and female students 3x. After adding, male students = 2x+4, female students = 3x+6. New ratio (female to male):Â (3x+6/2x+4) = 5/3 cross - multiplying :- Therefore, this negative value means the scenario is impossible with positive student counts.
Which of the following novels is NOT written by Aravind Adiga?
Established incubation centers in the Atal Innovation Mission are operationalised within how many years?
Who won the gold medal in the Javelin Throw event at the World Para Athletics Championships 2023?
In which of the following years the Ramsar Convention on Wetlands was signed ?
One of four words is a class to which the other three belong. Identify the class.
Who among the following is known as the ‘Father of Statistics’?
Who is the founder of food delivery company Zomato?Â
ADB will provide a fund of Rs . 1311 . 20 crore for tourism projects in which state?
How many Indian women won medals in the Arm-Wrestling Asian Championship?
Which of the following statement(s) is/are INCORRECT vis-Ã -vis Fundamental Duties?
1) The 44th amendment Act introduced Fundamental duties in th...