A certain number of persons can complete a work in 100 days. If there be 10 persons less, it would have taken 10 days more for the work to be completed. The number of persons in the beginning was
A certain number of persons can complete a work in 100 days. If there be 10 persons less, it would have taken 10 days more for the work to be completed. The number of persons in the beginning was
A90
B105
C110
D120
All DiscussionsClick here to write answer
Post your answers here:
Rich Text Editor, message-ans
Editor toolbars
Press ALT 0 for help
◢Elements path Post
Related Posts:
There is a hill behind a person’s house. He walks up the top of the hill at a speed of 112 km/hour, but walks down it at 4 12 km/ hour. If it takes him 6 hours for the entire journey, the distance, in km, from his house to the top of the hill is- When one litre of water is added to a mixture of acid and water, the new mixture contains 20% acid. When one litre of acid is added to the new mixture, then the resulting mixture contains 3313% acid. The percentage of acid in the original mixture was
- A person bought 864 articles and sold 800 of them for the price he paid for 864 articles. He sold the remaining articles at the same price per article as the other 800. The percentage gain on the entire transaction is
A sum of money at simple interest amounts to Rs. 14,160 in 3 years. If the rate of interest is increased to 25%, the same sum amounts to Rs. 14,700 in the same time. The rate of interest is 5% 512 6% 7%- Four numbers are written in a row. The average of first two numbers is 7, the average of the middle two terms is 2.3 and the average of the last two numbers is 8.4. The average of first number and the last number is
