Question
Two men A and B started a job in which A was thrice as
good as B and therefore took 60 days less than B to finish the job. How many days will they take to finish the job, if they start working together?Solution
A B Efficiency 3 : 1 Time 1 : 3 Difference in time = 60 days ⇒ 3x - x = 60 ⇒ x = 30 days So, Total Work = 30 × 3 = 90 A and B can do work together in days = 90/4 = 22.5 days ∴ The required answer is 22.5 days.
A kilobyte is equal to _______ bytes.
Which of the following is an example of Half Duplex?
DSL is an example of a(n) _________ connection.
What will the function given below return in MS-Excel 2010?
=MATCH(12,{10,13,30,40,60},1)
Shift, Control, Alt are examples of ____ category.
Minimum number of bits required to store any 3 digit decimal number is equal to
Decreasing the amount of space required to store data and programs is accomplished by ________.
To save a document in different location use ______.
Which of the following shortcut keys is used to close current or active window?
Which indent is used for moving the text lines to the left margin in MS Word?
Relevant for Exams:
