A, B and C can finish a job working alone in 12, 8 and 24 days respectively. In how many days they can finish the job if they worked together?
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Mandeep works 3 times as fast as Sampat. If Sampat can complete a job alone in 60 days, then in how many days can they together finish the job?
cot3A is equal to
The ratio of present ages of R and S is 6:7. Before 12 years the ratio of their ages was 9:11. What is R's present age (in years)?
If P = 7 + 4√3 and PQ = 1, then what is the value of 1/P2 + 1/Q2?
If x+1x=5, then 6xx2+x+1 value is
Marked price of an article is Rs 520 and selling price is Rs 384.8. What is the discount percentage?
Mehdi can complete a work in 25 hours. If he is joined by Jahnavi who is 50% more efficient, in what time will they together finish the work?
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