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If sin(A+B-C) = cos(A+C-B) = tan(B+C-A), then the value of angle A is
A coconut merchant finds that the cost price of 2750 coconuts is the same as the selling price of 2500 coconuts. His loss or gain percent is
If \({ sec^270° -cot^220°\over2{(cosec^259°-tan^231°)} }= {2 \over m}\)then m is equal to:
A dishonest dealer professes to sell his goods at the cost price but uses a false weight of 900 g instead of 1 kg. His gain percent is:
20 men can finish a work in 30 days. They started working, but 4 men left the work after 10 days. In how many days would the work be completed?