Question
A person rings a metallic bell near a strong concrete
wall. He hears the echo after 0.3 s. if the sound moves with a speed of 340 m/s, how far is the wall from him?ÂSolution
 Let the distance is x metre. Distance = Velocity × Time x = 340 × 0.3 = 102 metre (This is the total distance) 
The area of a rhombus is given as 384 cm², and its perimeter measures 80 cm. Determine the total length of its two diagonals.
The area of two similar triangles is 400 cm² and 324 cm², respectively. What is the ratio of their corresponding altitudes?
Each side of a rhombus is 20cm long and the length of one of its diagonals is 24cm, then find the area of the rhombus.(in cm 2 )
In a rectangular floor of length and breadth of 21 metres and 4 metres, respectively, square tiles each of 2 metre edge length are to be laid. If the co...
A rectangular tank has a length of 12 m, width of 10 m, and height of 8 m. It is filled with water up to 60% of its capacity. A cylindrical pipe with ra...
- A water tank has a length of 40 metres, width of 20 metres, and height of 15 metres. If each water block takes up 200 m³, how many such blocks can the tan...
A rectangular piece of land has a perimeter of 77 metres and length of 24 metres. If the area of the land is to be divided into 12 equal portions, then ...
- A square has a side length equal to the radius of a circle whose area is 201.96 m². Calculate the perimeter of the square.
A square whose diagonal is 12 √2 cm is made base of the pyramid. if height of the pyramid is 18cm, then what is the total surface area of the pyramid....
Relevant for Exams:
