Question
The average age of A, B, and C is 20 years. 3 years ago,
the sum of the ages of A and B was 7 more than that of C. Find the present age of C.Solution
A+B+C = 20×3=60 3 years before = A+B+C = 60-9 =51 SO, NOW ATQ- (A+B) +C=51 C+7+C = 51 2C =44 C= 22 So now the present age of C = 22+3=25 yearsÂ
 In a multi-user operating system, what does it allow multiple users to do simultaneously?
One should click ___________ , in order to move from one worksheet to another in MS-Excel workbook.Â
_________ computers exhibits the features of both analog and digital computers.
In which of the following network topology, all devices on a network are connected to a single continuous cable?
Which of the following is not a Computer language ?
Which one of the following is an example of an input AND output device?
Errors in computer programmes are called :
What is the key characteristic of a real-time operating system?
The OSI model's Presentation Layer is responsible for:
One should click ___________ in order to move from one worksheet to another in MS-Excel workbook.Â
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