On walking 100 metres towards a building in a horizontal line, the angle of elevation of its top changes from 45 to 60 deg. What will be the height (in metres) of the building?
View Answer Report Error Discuss
If 4x + 1x = 5, (x≠0), then the value of 5x4x2+10x+1 is
If a+1b = 1 and b+1c = 1 then c+1a = ?
What is the value of [2 sin (45 + θ) sin (45 – θ)]/cos 2θ?
What is the value of tan 4π/3?
Find the value of 62532+18
If the selling price of an item is Rs 9750 after getting a discount of 25%, then what was its marked price (in Rs)?
If Mr. Raghav taught a total of 500 hours, then what is the difference in number of hours of teaching algebra and modern Maths?