Time and Work

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Kumar

A and B working together can complete a work in \D\ days . Working alone A takes (8+d) days and B takes (18+d) days to complete the same work. A works for 4 days , so the remaining work will be completed by B alone in how many days ??

2020-06-13 08:57:22

Time and work

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Shikhar

A can do 50 % of the job in 16 days; B can do ¼ th of the job in 24 days. In how many days can they do ¾ th of the job working together?

2020-06-12 19:22:46

Time and work

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Lock down

B is twice efficient as A and A can do a piece of work in 15 days. A started the work an after a few days B joined him . They completed the work in 11 days , from the starting .For how many days did they work together ?

2020-05-31 18:07:59

Trigonometry

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Virtous Himanshu

If CosA=?(x^3 ) sinA and If SinA=?(y^3 ) cosA, then Find the value of x^2 y^2

2020-05-31 14:41:58

Time and Work

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Ali

A and B can do a piece of work in 24 days .A works for 8 days alone and the remaining work is done by B alone in 18 days . Find how many days B alone can complete 3 times the total work, working with 75?ficiency?

2020-05-31 11:22:27

Time and Work

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Shubhanshu Sharma

P can do a work in 6 days. Working with Q, the work is completed in 7 days. if P starts work and P and Q work sequentially after one day , Q alone can complete the work in how many days

2020-05-10 09:57:44

Speed Time and Distance

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Admin

Two boat are travelling with speed of 36 km/hr and 54 km/hr respectively towards each other. What is the distance (in meters) between the two boats one second before they collide?

2020-05-04 15:05:26