The value of $$ sec{^4}A(1-sin{^4}A)-2tan{^2}A $$ is:

If $$ secθ-tanθ={1\over\sqrt{3}}$$, the value of secθ.tanθ=?

The length of the diagonal and the breadth of a rectangle is 13 cm and 5 cm respectively. Calculate its area (in cm²).

If the interest is compounded half-yearly, then what will be the compound interest (in Rs) on a sum of Rs 10000 for 1 year at the rate of 10% per annum?

If the income of A is 10% more than that of B and the income of B is 20% less than that of C, then the incomes of A, B and C respectively are in the ratio

The ratio between the third proportional of 12 and 30 and mean proportional of 9 and 25 is

3 men or 5 women can complete a work in 12 days. Accordingly, how much time will it take for 6 men and 5 women to do the same work?

Ram and Shyam can do a work in 12 days, Shyam and Hari in 15 days, and Hari and Ram in 20 days. Accordingly, in how many days can Rama alone complete that work?