Reema sold 48 articles for Rs. 2,160 and suffered a loss of 10%. How many articles should she sell for Rs. 2,016 to earn a profit of 12%?
If the cost of x chairs is equal to the selling price of 16 chairs and the profit percentage is 12.5%. then what is the value of x?
Find the value of tan 27° tan 34° + tan 34° tan 29° + tan 29° tan 27°.
12 copies of a book were sold for Rs.1800/- thereby gaining the cost price of 3 copies. The cost price of a copy is
If \(\alpha+\beta=90°\) , then the value of \({(1-sin^2\alpha)(1-cos^2\alpha)*(1+cot^2\beta)(1+tan^2 \beta)}\) is.