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Tsung-Dao Lee, a Chinese-American physicist, passed away in August 2024. He was notably the second youngest laureate to win the Nobel Prize for Physics in 1957, at the age of 31, for his groundbreaking work on parity laws, which profoundly impacted the understanding of elementary particles.
A company hires workers A, B, and C to finish a project. A can complete the project in 30 days, B can do it in 24 days, and C can complete it in 20 days...
Two pipes A and B can fill a tank in 24 min., and 32 min, respectively. If both the pipes are opened simultaneously, after how much time B should be clo...
A is five times as efficient as B and can finish a piece of work in 24 days less than B. B can finish this work in how many days?
108 unit of work can be completed by P alone in 18 days. P started working alone and joined by Q after 9 days such that they completed the remaining wor...
15 men can complete a piece of work in 5 days, while 20 women can complete it in 5 days. 8 men start working on the job & after working for 3 days, all...
A person travelled for the first 150 km at a certain speed in 6 hours. After that, the speed of the person decreased by 6 km/h. If the person took a tot...
John does ½ piece of work in 3 hours, Joe does ¼ of the remaining work in 1 hour and George finishes remaining work in 5 hours. How long w...
The team of A B and C was supposed to complete a piece of work. Working alone, A could have completed the same work in 190 hours. B could have completed...