For the following questions answer them individually
The value of $$\sin^2 48^\circ + \sin^2 42^\circ - \sec^2 30^\circ + \tan^2 60^\circ $$ is equal to:
In $$\triangle$$ABC,P is a point on BC such that BP : PC = 1 : 2 and Q is the mid point of BP. Then, ar($$\triangle$$ABQ): ar($$\triangle$$ABC) is equal to:
The difference between the compound interest and simple interest on ₹x at 12% per annum for 2 years is ₹18. What is the value of x?
A is 50% more efficient than B and C is 40% less efficient than B. Working together, they can complete a task in 10 days. In how many days will A alone complete 150% of that task?
If $$\sec \theta = \frac{13}{5}, then \tan \theta - \sin \theta + \cos \theta$$ is equal to: