Let the speed of boat in still water be a km/hr and that of stream be b km/hr. Therefore, 40/(a + b)= 2 ⇒ a + b = 20 ………..(i) 40/(a – b)= 5 ⇒ a + b = 8 ………..(ii) On adding, eq (i) and (ii) ⇒ 2a = 28 km/hr ⇒ a = 14 km/hr
In computer terminology, ‘CAD’ stands for
Which type of printer technology uses a laser to produce high-quality prints?
The translation of data into a secret code is known as _______
What is used to make computer chips?
Which of the following is not a virus ?
Which of the following key is used to move down a page in a document?
Website is a collection of _______ ?
What is the full form of CPU?
Which of the following can create the largest printouts:
Which one is used to convert the data and image on paper in to the digital form?
