A work is done by two people in 24 minutes. One of them
alone can do it in 40 minutes. How much time will the other
person wiil take to complete it
Answer Posted / prasun bose
this type of sums needs what part is done in 1 min.
two people done 1/24th part in 1 min
one people done 1/40th part in 1 min
diferrnce the other people done 1/24-1/40 =(5-3)/120=2/120
=1/60
other man done 1/60th part in 1 min.
there fore other man will take 60 min to compleate.
| Is This Answer Correct ? | 21 Yes | 2 No |
Post New Answer View All Answers
A person left house with speed 40 mile per hour his wife after 30 minutes left to catch him at a speed of 50. In what time she will catch?
What is the selling price of a car? If the cost of the car is Rs.60 and a profit of 10% over selling price is earned.
In a family Reshma is elder sister of Ragini . Soni is Reshma's daughter and Saloni is Soni's cousin. Rgini's mother is Rajani. Ramani is the sister-inlaw of Reshma. Who is Soni's grandmother?
The hour hand lies between 3 and 4. Tthe difference between hour and minute hand is 50 degree.What are the two possible timings?
if area is icc. by 30% then what is the change in the area?
instead of multiplying by 7 to a number dividing by 7 what is the percentage of error
A plane goes from Chicago to Columbus and then comes back. It takes the same time to travel in either ways. It leave Chicago early in the morning 0644 LOCAL TIME and reaches the destination Columbus at 0849 LOCAL TIME. In the same evening it leave Columbus at 1625 hrs LOCAL TIME and reaches the destination at 1638 LOCAL TIME. Find the time that the plane takes to travel either way?
5 thieves stole diamonds in following way 1st stole half +2 2nd remaining half +2. for 5th there was no diamond how many diamond were there initially
Find the correct choice if the sum of any 4 consecutive numbers is divisible by a number?
During the early months of 2009, some economists concluded that the slew of U.S. government programs created during the fall of 2008 to stabilize an economy marked by an absence of credit, a wave of enormous asset write downs, a precipitous decline in housing prices, and a historic loss of consumer confidence _________________ has not succeeded in engendering healthy intra-bank credit flows and reviving depressed equity prices has not succeeded in engendering healthy intra-bank credit flows and bringing about the revival of have not succeeded in engendering healthy intra-bank credit flows and reviving depressed equity prices have not succeeded in engendering healthy intra-bank credit flows and to revive depressed equity prices
Find the distance when they meet from starting point.
The ratio of no. of boys & girls in a school is 3:2 Out of these what % the boys & 25% of girls are scholarship holders. % of students who are not scholarship holders.?
Seema's weight is 25% of Sunita's weight and 40% of Tanisha's weight. What percentage of Tanisha's weight is Sunita's weight?
total balls are z, the number of red balls is n and the remaining are blak balls,then the % of black balls equal to ?
If 12 box containers require 18 feet of wall space, how many feet of wall space will 30 box containers require?