Speed of boat in still water 10 kmph.If the boat takes 24hr in up stream and 16hr in down stream to cross the same distance, then what will be the distance covered.
A square plot of some size , at four corners equal squares of some size are cut and is formed as open box. If this open box carries 28ml of oil. What is the size of the plate i.e. sidea.17 b.14 c.13
Speed of boat in still water is 10kmph.If it travels 24km downstream,16km upstream in the same amount of time, what is the speed of the stream?(a)3kmph(b)3.5kmph(c)2kmph
One person is wearing Black and White shoes as his pair. If he is having 20 white and 20 Black shoes. What will be the less number of time he have try to take his correct pair of shoes.
If A can do a particular work in 8 days. B can do the work in 6 days. By C joining with them, they can finish the work in 3 days. If Rs.540 was paid to them, what is the share of C?
Answer posted by Harry on 2005-05-19 04:01:57: 67.5
If the radius is increased by 50%. How much will be the volume increased for a circle / Sphere in percentage.
Latest Answer: Lets assume here the area of square and the initial area is 100so after the 69% increment the area is 169. so that the side ofthe square is under root of 169 that is 13. so the increment in side is 13-10=3 i.e. 30% ...
One student takes 20 mins to reach school if he goes at a speed of 15kmph .At what speed should he go to reach in 15 mins ( nos are not same)
If 3 houses are to be painted,mr A can paint a house in 6 days(nos are not same)...Mr. B can do the same in 8 days...& Mr. in 12 days. if Mr. A does the work for 8 days & leaves for vacation, & Mr. B continues the work for the next 6 days, for how many days should Mr. C work?
In a class the average age is 16yrs.if the teacher who is 40 yrs of age is also included ,the average becomes 17yrs,how many students were there?
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