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1) If a building is 83 m high then the angle of elevation from point A (on level ground) which is 260 m away from the building is a. 70° b. 17.7° c. 19.70° d. 23.52°
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2) In a right angle triangle ABC, the hypotenuse is 15 and adjacent side is 'x' then A 74° is a. 3.148 b. 1.347 c. 4.134 d. 5.134
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3) If sin X is 1.578 then the value of angle X in a right angle triangle is a. 68° b. not possible c. 55° d. 85°
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4) The answer of sin 62° up to four significant figures is a. 0.8829 b. 0.7829 c. 0.6829 d. 0.9258
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5) If the height of wind mill is 95 m and its shadow is 65 m then the angle of elevation of sun at that particular moment is a. 55.62 m b. 58.62 m c. 62.36 m d. 65.85 m
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6) In a right angle triangle ABC, the BC is supposed as 'x' and AC is 15 then A 65° is a. 14.59 b. 16.59 c. 15.59 d. 13.59
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7) If a building is 65m above the ground level and the angle of depression of loader truck on level ground is 51° then the distance of loader truck from the building is a. 50.23 m b. 48.23 m c. 52.63 m d. 55.63m
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8) The only trigonometrical ratio whose value can be greater than 1 is a. cosine b. sine c. tangent d. none of the above
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9) In a right-angled triangle XYZ with respect to X, the cosine of the angle A is calculated as a. adjacent side/hypotenuse b. opposite side/hypotenuse c. opposite side/adjacent side d. hypotenuse + adjacent side
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10) By evaluating cos 68° + sin 72°/tan 58° + cos 47°, the answer will be a. 1.5852 b. 0.588 c. 0.8085 d. 0.5808
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11) Consider a right angle triangle PQR, if PQ is 27 and QR is 17 then the value of angle P is a. 32.19° b. 45.19° c. 49.58° d. 62.46°
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12) The cos 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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13) The corporate office building is 50m high and angle of elevation at top of building is 52° when seen from a point on level ground. The distance between point and foot of the building is a. 21.35 m b. 52 m c. 25 m d. 31.25 m
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14) The answer of tan 40° up to three significant figures is a. 0.583 b. 0.839 c. 1.839 d. 2.839
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15) Consider a right angle triangle XYZ, XY is 17 and XZ is supposed as unknown number 'a' then X 54.26° up to three significant figures is a. 25.1 b. 26.1 c. 27.1 d. 29.1
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16) By evaluating 4 sin 25° + 5 tan 35°, the answer will be a. 1.1915 b. 3.1915 c. 4.1915 d. 5.1915
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