Question
A circular plate, a cube and a sphere, all made up of
same material and having the same mass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling?Solution
In the late of 17th century British scientist Isaac Newton studied cooling of bodies. Experiments showed that the cooling rate is approximately proportional to the difference of temperatures between the heated body and the environment.
If numbers of students who apply for Graduation in 2011 are 100/3% less than students who apply for Graduation in 2012 then, number of students who appl...
The question consists of two statements numbered “I and II” given below it. You have to decide whether the data provided in the statements are suffi...
In apartment T if the number of 1 BHK flats are 18% more than that of apartment Q and the number of 2 BHK flats are 20% less than that of apartment S, ...
Find the ratio between the total number smart watch manufactured by Fire-Boltt in July to the total number smart watch manufactured by Noise in August.
Out of the total number of tourists from USA, 42% are females. If out of the total number of female tourists from USA, 20% are going to Shillong. How ma...
If all five workers start working together, how many days will they take to complete the entire 500 units of work?
The graph and the table below show the units sold by two salesmen, Mr. P and Mr. Q, in 4 months from January to April. Study the graph and the table and...
Find the ratio of the total males in Delhi and Chandigarh together to the total number of females in the same cities together.
Find average number of boys in school – C, D and E.
The Bar graph given below shows the number of males and femalesManager's in four different Companies.
What is the difference between the total nu...
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