$$ If \sin\theta = \cos\theta, and \theta $$ is acute, the value of  $$ 2\sin^{2} \theta - 3\cos^{2} \theta is : $$

The shadow of a standing tower of height 25$$\surd 3$$m in is found to be 50 m longer when the sun's elevation Changes from 60° to X°. Find the measure of X?

Select the option that is related to the third term in the same way as the second term is related to the first term.
Gentle : Harsh :: Ignore : ?

A train crosses a stationary object in 10 seconds. What is the length of the train if the speed of the train is 25 m/s?

A charge of 2 C passes from one point to the other in a circuit. If the potential difference between the two points is 5 V, the amount of work done is: