A and b can do a piece of work in 15 and 10 days. A and b work on it for sometime and then a leaves b completes the job in 5 days. For how long did a work.451
A company manufactures x refrigerators cp.(9000+500x0 sp=500x; what must be the value of x so that atlas the amount gained After selling is equal to the amount spent on production472
A cube 3"* 3"* 3" is painted green it is cut into 1"* 1"* 1" how many cubes were painted on atleast on one side450
A dealer sells 3 sets at Rs.2400 each ,one at 20% gain and the other at 20% loss. what is the overall gain or loss.440
A farmer has a farm square of 100 sq.m a cow is tied at one and with a rope of 10m length.assume pi-3.what is the area of land the cow can graze.457
Denominator is 4 greater than numerator if 10 is added to Denominator,the fraction becomes 1/8.what is the fraction.433
If the bus travels with 8 tyres(6 tyres running),travels a distance of 16000 km how much is the distance sustained by each tyre.478
In a box there are four different coloured bells,of some quantity (4 each ) what is the minimum number of pick ups so that, atleast 2 of them of the same colour.475
In a company 241 apply for posts. of them 40 know neither c nor c++.180 know c; 186 knows c++. how many people know only c.500
Length and breadth of a rectangle are in ratio 7:5. If length is reduced by 5 and breadth by 2, area reduces by 65. Find length and breadth.488
a man works. He has to maintain 100 cups. He gets 30 ps for every cup he safeguards and has 10 pay 90 ps for every cup he breaks.if he earns rs.24 per day, how many did he break?461
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