For the following questions answer them individually
The angle of elevation of the top of an unfinished tower at a point distant 78 m from its base is $$30^{\circ}$$. How much higher must the tower be raised (in m) so that the angle of elevation of the top of the finished tower at the same point will be $$60^{\circ}$$?
The average weight of P and his three friends is 55 kg. If P is 4 kg more than the average weight of his three friends, what is P's weight (in kg)?
A sold a mobile phone to B at a gain of 25% and B sold it to C at a loss of 10%. If C paid ₹5,625 for it, how much did A pay (in ₹) for the phone?
If $$4\sin^{2}\theta = 3\left(1+\cos \theta\right),0^{\circ} < \theta<90^{\circ}$$, then what is the value of $$\left(2\tan\theta + 4\sin \theta - \sec \theta\right)$$.
A can finish a piece of the work in 16 days and B can finish it in 12 days. They worked together for 4 days and then A left. B finished the remaining work. For how many total number of days did B work to finish the work completely?
Select the option that expresses the given sentence in passive voice.
She handles all tasks efficiently.
The following sentence has been split into four segments. Identify the segment that contains a grammatical error.
Every / curious child / want to / rip open a toy
