Question
The time period of a secondโs pendulum is
โSolution
A seconds pendulum is a pendulum whose period is precisely two seconds;onesecondforaswinginonedirection andonesecondforthereturnswing,afrequency of1/2Hz.Atstandardgravityitslengthis0.994 m.
Komal and Seema individually can complete a task in โ5aโ hours and โ7aโ hours respectively. If they together can complete (4/5)th of the work in...
โDโ alone can finish a job in 50 days, while โDโ and โEโ together can complete it in 20 days. If โEโ worked alone for 22 days and then l...
- 25 employees working 9 hours a day take 20 days to complete a project. How many employees working for 8 hours a day are needed to complete twice the given ...
A work can be completed by โAโ and โBโ, alone in 20 days and 10 days, respectively. Find the number of days taken by โCโ to complete the sam...
A work can be completed by โAโ and โBโ, alone in 15 days and 10 days, respectively. Find the number of days taken by โCโ to complete the sam...
There is enough food in a camp to last for 40 days if each of the 60 soldiers present at the camp eat 3 times a day. After 10 days, 10 soldiers left th...
A and B together can do a piece of work in 9 days. A alone can do it in 15 days. In how many days can B alone do it?
- Ajay alone can finish 60% of a task in 18 days. Vijay takes 15 days longer than Ajay to complete the entire task. When Vijay and Chirag work together, they...
โAโ can finish a project in 40 days, whereas โBโ finishes 50% of the project in 12 days less than โAโ. How many days will it take both โA๏ฟฝ...
โCโ and โDโ can together complete a piece of work in 20 days. If โCโ alone can do it in 50 days, find the number of days โDโ will take t...