Question
Number of students who obtained more than 69 but less
than 140 marks in Maths is approximately how much percent less or more than that of the students who scored either equal or more than 105 marks in Physics?Solution
Number of students who obtained more than 69 but less than 140 marks in Maths = 43 +53 = 96 Number of students who obtained either equal or more than 105 marks in Physics = 44 + 31 = 75 So Required % = (96-75)/75
100 = 28%
A work can be completed by ‘A’ and ‘B’, alone in 10 days and 12 days, respectively. Find the number of days taken by ‘C’ to complete the sam...
"A" can complete a task in 15 days, while it takes 25 days for "B" to complete the same task. The ratio of the efficiencies of "A" and "C" is 2:1. If a ...
A can do a work in 10 hours while B can do the same work in 15 hours. If C is 50% more efficient than A and B together, then find the time taken by C al...
Vijay can do a piece of work in 22 days and Sanjay can do the same work in 33 days. If Vijay works for 5 days and got Rs. 1650, and the remaining work w...
A and B can complete a task together in 18 days, while B alone takes 36 days to finish it. A began working alone and left after ‘x’ days, after whic...
A team leader can do a job as fast as three members of the team working together. If one of the members can do the job in 5 hrs, the second one takes 10...
- 20 men working 6 hours a day can paint a building in 25 days. If 30 men work 8 hours a day, how many days will it take to paint the building?
A’ and ‘B’ alone can do a certain work in 20 days and 30 days, respectively. Both started the work together but after ‘x’ days ‘A’ left th...
A work can be completed by ‘A’ and ‘B’, alone in 10 days and 15 days, respectively. Find the number of days taken by ‘C’ to complete the sam...
A and B together do a job in 12 days. A alone does it in 20 days. How many days for B alone?
Relevant for Exams:
