UPSC CDS Math Circle Questions

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Question : 28 of 46
 
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Consider a circle with centre at O and radius 7 cm. Let QR be a chord of length 2 cm and let P be the midpoint of QR. Let CD be another chord of this circle passing through P such that ∠CPQ is acute. If M is the midpoint of CD and MP = √24 cm, then which of the following statements are correct?
1. ∠QPD = 135°
2. If CP = m cm and PD = n cm, then m and n are the roots of the quadratic equation x2−10x+1=0.
3. The ratio of the area of triangle OPR to the area of triangle OMP is 1:2√2.
Select the correct answer using the code given below.
[2016 CDS-I]
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