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Let the height of the building be h meters, and the height of the flagpole be f meters. From the angle of elevation to the top of the building (30°): tan 30° = h / 50 1/√3 = h / 50 h = 50 / √3. From the angle of elevation to the top of the flagpole (45°): tan 45° = (h + f) / 50 1 = (h + f) / 50 h + f = 50. Substitute h = 50 / √3: (50 / √3) + f = 50. f = 50 - (50 / √3). f = 50(1 - 1/√3). f = 50(√3 - 1) / √3. Answer: d
Mrs. Pratap, being a good teacher (a) / she has been selected (b) / for the National Award (c) / No error (d)
President’s Rule in the state was the only option left before Cabinet, as the Government would not have been able to get adequate numbers for a vote o...
In the question given below, a sentence is given, divided into parts. One of the parts may contain an error. Identify the part that contains the error...
Find the erroneous part of the given sentence. If none of the parts contains error, mark ‘No Error’ as your answer.
Each of the books (A) ...
The city traffic police have decided to (A)/monitor food delivery personnel flouting traffic rules (B)/and take action in the violators (C).
Directions : In the following question, a sentence is given, divided into 5 parts. Part (E) is grammatically correct. Out of the other four parts, one ...
There have been reports that most of the 300 persons who were witness to the incident have flee the village to avoid questioning.
Read the sentence to find out whether there is any grammatical or idiomatic error in it. The error, if any, will be in one part of the sentence. The l...
Identify the segment in the sentence that contains a grammatical error.
Not only they won / the test match / but they also / broke many previous records.
