1) A ladder leans against the wall at the point B (window end) from a ground level and makes an angle horizontally at 52°. The height of ladder is 15 m. When the same ladder leans above the point B at point A (window start) and makes an angle of 85° horizontally. The distance between point A and point B is a. 12.4 m b. 5 m c. 4.12 m d. 3.12 m
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2) Considering a right-angled triangle ABC, if opposite side is 'x' and adjacent side of triangle is equal to 20 then A 53° is a. 23.46 b. 24.46 c. 26.54 d. 28.64
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3) The answer of sin 95.29° is a. 0.7955 b. 0.9957 c. 0.5957 d. 0.5997
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4) If sin A is 0.865 then the value of angle A (four significant figures) is a. 85.59° b. 59.88° c. 62.88° d. 88.62°
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5) The measurements such as length of book and width of glass sheet by using measuring tape are called a. indirect measurements b. direct measurements
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6) Considering a right-angled triangle ABC, if opposite side is '12' and adjacent side of triangle is supposed as 'x' then A 48° is a. 15.31 b. 17.31 c. 18.31 d. 19.31
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7) Consider a right angle triangle XYZ, XY = a, YZ = b, XZ = 25.6 and angle of X is 37° then the values of a and b respectively are a. 19.604, 40.045 b. 18.604, 42.025 c. 17.406, 21.455 d. 15.406, 20.445
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8) The sin P of triangle PQR with respect to P is calculated as a. QR/PQ b. QR/PR c. PQ/PR d. PR/PQ
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9) A bundle of 10 balloons has string of 35 cm attached to it and makes and elevation angle of 40°. The distance of balloons from the holders hand is a. 38.50 cm b. 25.50 cm c. 22.50 cm d. 32.50 cm
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10) The height of a light house is 65 m. The angles of elevation and depression of the top and foot of a radar mast are 52° and 30° respectively. The height of radar mast is a. 102 m b. 305 m c. 209.09 m d. 109.09 m
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