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Solution: Here, it is clear that ‘I’ want to travel inside the tunnel. To indicate movement inside something, ‘through’ is used and to indicate movement from one side to the other, ‘across’ is used. One day I want to walk through the tunnel to see whether it is really dark inside without the light, even during the day.
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The ratio of the curved surface area to the total surface area of a cone is 5:9. Determine the ratio of the radius of the cone to its slant height. (Use...
The length and breadth of a rectangular plot of a land are in the ratio 9:7. The owner spent Rs 8,000/- for surrounding it from all the sides at...
Angle bisectors of Q and R meet at point S, inside the triangle PQR. If angle QSR = 128˚ , then the measure of angle P is:
The ratio of weights of two spheres of different materials is 8:17 and the ratio of the weights per same of materials of each is 289:64. The ratio of ra...
Radius of a circle is 10 cm. Angle made by chord AB at the centre of this circle is 60 degree. What is the length of this chord?
From the top of a cliff 100 meter high, the angles of depression of the top and bottom of a tower are 45° and 60° respectively. The height of the towe...
The sum of the perimeters of a square and a rectangle is 120 metres. If the sum of the length and breadth of the rectangle is 32 cm, then find the area ...
If the lateral surface area of a regular tetrahedron is 75√2 cm², determine the volume of the tetrahedron