Related InterviewSolutions

• The cost if a harvesting a square field at Rs. 900 per hectare is Rs. 8100. find the cost of putting a fence around it at Rs. 18 per metre .
• The area of a parallelogram is 392 `m^(2)` . If its altitude is twice the corresponding base , determine is `392 m^(2)`. If its altitude is twice the corresponding base , determine the base and the altitude .
• the length of the diagonal of a square is `10sqrt(2)` cm .Its area isA. `200 m^(2)`B. `100 m^(2)`C. `150m^(2)`D. `100sqrt(2) cm^(2)`
• the area of an equilateral triangle is `4 sqrt(3) cm^(2)` Its perimeter isA. `9 cm`B. 12 cmC. `12 sqrt(3)` cmD. `6sqrt(3) cm`
• Find the are of an equilateral triangle having each side of length 10 cm . `["Take"sqrt(3)=1.732.]`
• The sides of a triangle are in the ratio 5 : 12 : 13 and its perimeter is 150 m. Find the area of the triangle.
• The lengths of thesides of a triangle are in the ration 3:4:5 and its perimeter is `144 c mdot`Find the area of thetriangle and the height corresponding to the longest side.
• A lawn is in the form of a rectangle whose sides are in the ratio 5:3 the area of the lawn is 3375 `m^(2)` .Find the cost of fencing the lawn at Rs. 65 per metre.
• The lengths of the two sides of a right triangle containing the right angle differ by `2cm.` If the area of the triangle is `24cm^2.` Find the perimeter of the triangle.
• The length of the sides of a triangle field are 20 m , 21 m and 29 m the cost of cultivating the field at Rs. 9 per `m^(2)` isA. Rs.2610B. Rs.3780C. Rs.1890D. Rs. 1800