Question
A rectangular room measures 25 metres in length and has
a perimeter of 78 metres. Calculate the total cost to carpet this room at a rate of Rs. 8 per square metre.Solution
Let the breadth of the floor = 'b' metres Then, perimeter of the floor = 2 x (25 + b) = 78 So, b = (78/2) - 25 = 14 So, area of the floor = 25 x 14 = 350 m2 So, cost of carpeting the floor = 350 x 8 = Rs. 2800 Hence, option a.
What will be the error degree of freedom for testing 5 varieties of wheat in Latin Square Design?
The density of pest population at which control measures should applied
‘’Hazard" means a
Spheroidal structure is characterized by individual particles of sand, silt, and clay grouped together in small, nearly spherical grains. They are commo...
The F1 progeny of a cross is
Leaf curl disease in Chilli is transmitted by
What is required in an organic crop production plan?
The cultivation of wheat and barley started in _____ B.C.
The standard plate count is not applicable to:
Following term describes the transfer of pollen from the anther of one flower of a plant to the stigma of another flower of a different plant.
Relevant for Exams:
