Question
The angles of elevation of the top of a tower from the
top and bottom of a 10 metres tall building are 30º and 45º respectively. Approximately what is the height of the tower in metres from the top of the building (given that √3 = 1.73)?Solution
The correct answer is C
If a = 32, b = c = 31, then find the value of a 3  + b 3  + c 3  – 3abc.
If a + b + c = 6, a³ + b³ + c³-3abc = 342, then what is the value of ab + bc + ca
If x² + x = 11
find (x+4)³ +1/((x+4)³)
A sum of Rs. 25,000 is invested in SIP 'G' which offers 7% p.a. simple interest for 7 years. The interest received from SIP 'G' is invested in SIP 'H' w...
A solid metallic sphere of radius 15 cm is melted and recast into spherical balls of radius 3 cm each. What is the ratio of the surface area of the orig...
when x =5 and y =-7 then find the value of 27x³ +58x²y +31xy² +8y³?
If polynomial P(x) = x3 - 3x2 + 5x-3 is divided by polynomial G (x) = x2 - 2, the quotient and remainder are:
The area (in sq, units) of the triangle formed by the graphs of 8x + 3y = 24, 2x+8 = y and the x – axis is:
Calculate the difference between (7.225) 2Â - (2.275) 2 Â Â Â
If 1/(x+ 1/(y+ 1/z)) = 13/30, then find x+y+z= ?
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