Question
Statements: Some books are copies Only a
few copies are papers All papers are registers Only a few registers are windows Conclusions: I). Â Some books are windows II). Â All registers are copies is a possibility III). Â No windows are books Study the following statements and then decide which of the given conclusions logically follows from the given statements disregarding the commonly known facts.Solution

ABC is a triangle. AB = 5 cm, AC = √41 cm and BC = 8 cm. AD is perpendicular to BC. What is the area (in cm2) of triangle ABD?
If O is circumcentre of acute angled triangle ABC, if ∠ BAC = 40 ˚ then ∠BOC = ?
In the given figure, B and C are the centres of the two circles. ADE is the common tangent to the two circles. If the ratio of the radius of both the ci...
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Orthocenter of an right angle triangle lies on
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