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The extraction of cream happens because of the work of centrifugal force which works outward. The separation of cream from milk is based on the fact that when liquids of different specific gravities revolve around the same centre at the same distance with the same angular velocity, a greater centrifugal force is exerted on the heavier liquid than on the lighter one. Milk can be regarded as two liquids of different specific gravities, the serum and the fat.
A pen whose cost price is Rs 16 is marked a sale price 25% higher. It is then discounted by 25%. The net price of the pen is
Match List I with List II
Lightning is seen before thunder because
EVM Stands for __________.
If * is an operation such that a * b = 3a – 4b. find the value of 3*4
A cut on the palm heals faster than that on the knee because
In two years, half the tiles fall off from a wall. How many years will it be when 75% of the tiles have fallen off?
A ray of light hits a mirror and is reflected. If the mirror rotates by an angle 10° in one direction, then the reflected ray will rotate by
If the area and sum of parallel side of a trapezium are 48 cm² and 48cm respectively. Then the distance between the parallel sides is
How many pairs of squares in a chess board share exactly one corner?