Question
Sum of the present ages of A, B, C and D is 72 years.
After 3 years ratio of their ages is 5:4:3:2. What is C’s present age?Solution
At present sum of age = 72 years After 3 years sum of age will be, => 5x + 4x + 3x + 2x = 72 + 3 × 4 => 14x = 72 + 12 => x = 84/14 => x = 6 C’s present age = 3x – 3 = 15 years
In which memory is the Write-Through technique commonly used?
What is the shortcut to justify a paragraph in word processing?
Which Excel symbol locks a cell reference so it does not change when copied?
Which of the following contains information about a single ‘entity’ in the database like a person, place, event or thing?
Which one of the following is not a search engine ?
Which device is primarily used for storing permanent data in a computer?
S/MIME in Internet technology stands for
Which is not an example of application software?
Bluetooth is a type of radio wave information transmission system that is good for about ____________
MS Word's citation feature is found under which tab?