JEE Mains 27-July-2022 Shift 2 Solved Paper

Section: Mathematics

Question : 18 of 90

Marks: +1, -0

The angle of elevation of the top P of a vertical tower PQ of height 10 from a point A on the horizontal ground is 45∘. Let R be a point on AQ and from a point B, vertically above R, the angle of elevation of P is 60∘. If ∠BAQ=30∘,AB=d and the area of the trapezium PQRB is α, then the ordered pair (d,α) is :

[27-Jul-2022-Shift-2]

(10(√3−1),25)
(10(√3−1),‌
25
2
)
(10(√3+1),25)
(10(√3+1),‌
25
2
)

Validate

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