Question
The price of electricity rose by 40%. Ravi, in response,
reduced his usage by 25%. Determine the change in his electricity bill.Solution
ATQ,
Let initial electricity cost be Rs. 100a and usage be 100b units
Initial bill = 100a × 100b = Rs. 10000ab
New bill = (1.40 × 100a) × (0.75 × 100b) = Rs. 10500ab
Required percent = [(10500ab - 10000ab) ÷ 10000ab] × 100 = 5% increase
In Excel-accounting style shows negative numbers in __________.
A Gigabyte is equal to
Which of the following statements false concerning file name?
 ___________software allows the user to speak into the computer rather than type in text.
Which key is used to search for any Spelling mistake on a document ?
Match the following?
  Company                            Operating system
1. Google           ...
In Windows computer, the deleted files are transferred to
Portrait and Landscape are:Â
To print a document which shortcut is used?
The part of the CPU that accesses and decodes program instructions, and coordinates the flow of data among various system component is the
Relevant for Exams:
