Question
The volume of a cube is 27 cm³. If the cost of painting
the cube is Rs. 25 per cm², then find the cost of painting five faces of the cube.Solution
Let the length of the edge of the cube be ‘x’ cm.
Volume of cube = x³
ATQ;
27 = x³
Or, x = 3
Area of five faces of the cube = 5x² = 5 × 3 × 3 = 45 cm²
Required cost = 45 × 25 = Rs. 1,125
More Mensuration Questions
Accredited
The fear of dogs/rabies
Certain crimes must be swiftly prosecuted and beyond any doubt denounced.
- Select the most appropriate ANTONYM of the given word.
Construct IMPLEMENT
Choose the word which is opposite in meaning to the word - Congenial
Pick out the correct option showing the proper prefix to the word given.
Sonic
Out of four alternatives choose the one word which can be substituted for the given words/sentence and indicate the correct answer.
Clues availab...
A woman who has more than one husband at a time.
Consequent
