The angles of elevation of top and bottom of a flag kept on a flag post from 30 metres distance, are 45 and 30 deg respectively. Height of the flag is [taking √3 = 1.732]
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In ΔPQR measure of angle Q is 90°. If tanP = 4/3, and PQ = 1.5cm, then what is the length (in cm) of side PR?
A number exceeds its 1/6 by 30. What is the number?
If 1+121+141+161+181-131-151-17 = 1+ 1x, then what is the value of x?
The mean of a distribution is 18 and the standard deviation is 4.5. What is the value of the coefficient of variation?
Point P is the midpoint of segment AB. Co-ordinates of P are (5, -1) and A are (2, -4). What are the co-ordinates of point B?
What sum will produce the same interest in 9 years at the rate 8% simple interest as Rs. 800 producein 3 years at 9/2% per annum?
If tan a = √3 + 2, then the value of tan a - cot a is
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