For the following questions answer them individually
AD is the Median of Δ ABC. If O is the centroid and AO = 10 cm then OD is
If in a triangle ABC, Sin A = Cos B then the value of Cos C is
Incentre of Δ ABC is I. ∠ABC = 90°and ∠ACB = 70°. ∠AIC is
The length of the two adjacent sides of a rectangle inscribed in a circle are 5 cm and 12 cm respectively. Then the radius of the circle will be
If $$sin\theta\times cos\theta=\frac{1}{2}$$. The value of sinθ - cosθ is where 0°< θ< 90°
The mean of 100 observations was calculated as 40. It was found later on that one of the observations was misread as 83 instead of 53. The correct mean is:
If $$a^3+\frac{1}{a^3}=2$$, then value of $$\frac{a^2+1}{a}$$ is (a is a positive number)
If $$x(3-\frac{2}{x})=\frac{3}{x}$$, then value of $$x^2+\frac{1}{x^2}$$ is
A sphere of radius 5 cm is melted to form a cone with base of same radius. The height (in cm) of the cone is
The difference between compound interest and simple interest on a certain sum of money for 2 years at 5% per annum is Rs. 41. What is the sum of money?
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