Each side of a rectangle is increased by 100% .By what percentage does the area increase?
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A can do a piece of work in 20 days.B can do the same in 15 days.they both together work for 6 days,then B is replaced by C who works with A for next 4 days & finished it.in how many days C alone can do the same work?
A theif steals half the total no of loaves of bread plus 1/2 loaf from a backery. A second theif steals half the remaing no of loaves plus 1/2 loaf and so on. After the 5th theif has stolen there are no more loaves left in the backery. What was the total no of loaves did the backery have at the biggining.
WHICH IS THE HEAD QUARTER OF U N O
a=2,b=3,c=6 c/(a+b)-(a+b)/c=?
A can do a piece of work in 15 days, which B can do in 10 days. B worked at it for 8 days. A can finish the remaining work in
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A string of alphanumeric is there. Find a string that starts with b and ends with 3 characters.
Two big cubes divided into 125 small cubes each. they placed horizontally. If column no. 1 , 3, 5, 6, 8, 10 is removed from the cubes then remaining cubes columns is painted by blue color then, 1) how many cube 0 side painted? 2) how many cube 1 side painted? 3) how many cube 2 side painted? Explain how to do ?
A train overtakes two persons walking along a railway track. The first one walks at 4.5 km.hr . the other one walks at 5.4 km/hr. the train needs 8.4 and 8.5 seconds respectively to overtake them, What is the speed of the train if both the persons are walking in the same direction as the train?
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If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is?
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