Question
Determine the volume of a cube if the total cost to
paint its four walls is Rs. 1280, given that the painting rate is Rs. 5 per square meter.Solution
Let length of side of cubical box be 'x' m Area of four walls = 1280/5 = 256 m2 So, 4x2Â = 256 x2Â = 64 x = 8 cm Desired volume = 8 X 8 X 8 = 512 m3 Hence, option d.
Choose the incorrect pair.
If N is related to Datsun, H is related to Mahindra, which of the following is related to Ferrari?
Who among the following lives on the eighth floor?
Who lives immediate below Q?
Seven boxes T, E, V, W, X, Y and Z are kept one above another. W is three boxes above Y. There are two boxes between W and Z. T is immediately above V. ...
Read the directions below and answer the following questions.
Six persons B, D, E, A, F, and C live in a six-floored building. The bottommost f...
On which of the following floor number does ARUN get in?
E is living on which of the following floors?
- Six boxes S, T, U, V, W and X kept one above another from bottom to top. Box X is two boxes above Box W. Box V is immediately above Box T. Two boxes are ke...
Ramesh is related to the vacant seat of row 1 in the same way as Tushar is related to Ashwani. So the vacant seat of row two is related to who among th...
Relevant for Exams:
