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Start learning 50% faster. Sign in nowAssuming the disc is uniform and isotropic (the same in different directions), the hole will expand in the same ratio as the metal. It is because the thermal expansion equation applies to all lengths associated with the metal, including the circumference of the hole, since the edge of the hole is made out of metal. And if the circumference of the hole expands, so does the diameter.
If 14 men working 9 hours a day can make 24 quilts in 16 days, then in how many days 20 men working 12 hours per day will make 20 quilts?
In an office, an employee plans to do a work in 15 days with 6 laptops. But after 8 days, he found that only 50% of the work is done with the laptops wo...
A and B together can complete a work in 7.2 days, while B and C together can complete the same work in 12 days. If A is twice efficient than C, then fin...
P, Q & R can finish a work in 10 days, 15 days, and 20 days, respectively, working alone. P and Q work on the first day, P and R work on the second day,...
Akhil and Nikhil together can complete a work in 5 days while Nikhil alone takes 10 days to complete 40% of the work. If the efficiency of Sachin is 25%...
Ratio of the work done by P, Q and R in one day is 7:3:8 respectively. They all together can complete the work in 42 days. Q and R worked on it for 21 d...
Sudhanshu completes`1/3` of work in 12 days, then he completes the remaining work with the help of Neeraj in 4 days. The time required for Neera...
