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Forty tiles of dimensions 1 foot * 2 foot each are required to completely cover a floor. How many tiles of dimensions 2 foot * 4 foot each would be required to completely cover the same floor?
How many tiles each 1 foot square are necessary to form a 1 foot border around the inside of a room 24 feet by 14 feet?
How many tiles each of 1 square foot are necessary to form a 1 foot border around the inside of a 24 feet by 14 feet room?
A survey was conducted among the students of Khulna University to find out how many forms of physical exercise usually swam, 25% said they usually did jogging, 20% said they played cricket, 15% said they usually played football and 20 respondents said they did not take any form of exercise. From the above findings it can be concluded that.
On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because:
The ratio of the useful heat drop to the isentropic heat drop is called
The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be
Applying a pressure drop across a capillary results in a volumetric flow rate 'Q' under laminar flow conditions. The flow rate for the same pressure drop, in a capillary of the same length but half the radius is
Heat flux increases with temperature drop beyond the Leiden frost point in the plot of heat flux vs. temperature drop for a boiling liquid, because
On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because