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secƟ - tan Ɵ = x/y ------ (i) sec Ɵ + tan Ɵ = y/x ------ (ii) solving (i) and (ii), we get => 2 sec Ɵ = (x2 + y2)/xy => sec Ɵ = (x 2+ y 2)/2xy
A shirt is marked 25% above the cost price and sold after a discount of Rs.114 at Rs.411. Find the cost price of the shirt.
The marked price of an article is ₹600. After allowing a discount of 25% on the marked price, there was a loss of ₹30. The loss percentage is:
Marked price of an article is Rs.280 more than its cost price. If profit earned is equal to the discount given then find the profit earned?