Question
There are 50 students in a school
canteen. Due to new admissions, 20 new students join the canteen. The daily expenses of the canteen increase by Rs. 1200, while the average expenditure per student per day decreases by Rs. 6. Find the initial daily expenditure of the canteen.Solution
ATQ,
Let x be the initial daily expenditure.
Given:
Solve: Take LCM of 50 and 70: 350. Equation simplifies to:
Solve: 2x − 6000 = 2100, So x = 4050.
Verify:
Initial daily expenditure = Rs. 4050.
Which among the following ports is also known as Line Printer Port?
Which application software is uses rows and columns of data to perform calculations on ?
What is a hyperlink?
First web based email service (founded in 1996)
Which of the following are needed for Skype to function on a computer?
1. A webcam
2. A microphone
3. A speaker
Computer based record keeping system is known as ________ .
Software, such as Explorer and Firefox, are referred to as _____.
What is a technique used to gain unauthorized access to computers, whereby the intruder sends messages to a computer with an address indicating that the...
What are the 0 and 1 in the binary numbering system called?
Which of the following shortcut key save the open document in MS Word like ‘Ctrl + S’?