A, B, and C together can do a piece of work in 28 days, whereas C alone can do the same work in 42 days. How long will A and B take together to finish it?
(A+B+C)C 2842 84 32 The efficiency of A+B+C =3 Efficiency of C =2 Efficiency of (A+B) =A+B+C -C=3-2=1 A and B work both together =84/1 = 84 days.
There are 7 people in a group. Average age of the group decreases by 5 when two more people join the group. Find the average age of the new group.
<...Train A crosses another train B running in the opposite direction in 180 seconds. What is the speed of the train A?
Statement I - Speed o...
What is the speed of the stream?
I. The boat covers a distance of 54 km in 3 hours while running downstream.
II. The boat covers the same ...
How many people are there in a Train? Statement I: There are 225 females in the Bus. Statement II: 25% of passengers are males and 15% are childre...
What is the monthly salary of Amit?
Statement I. Amit spends one-third of his salary on household expenses, one –fourth on travel expense...
In a partnership business of A, B and C, what profit did B get at the end of 2 years?
I. A and B started the business by the investing in ratio 2...
What is the total number of students in a college?
I. In the college 25% of the students are between 17 to 22 years of age, and 40% of the remain...
A man invested a sum of Rs 25,000. He invested some part at 5 % p.a. and remaining at 5.5% p.a. How much money did he invest at 5 % p.a.?
Statem...
What was the sum of the ages of the father and the daughter 5 years earlier?
A. Ratio of the father’s present age to...
What is the speed of boat in still water?
Statement I: The boat can cover 16 km downstream distance in 2 hours.
Statement II: Speed of t...
