In known elements, the maximum number is of
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Which of the statements given below are correct?
1. The author of 'A Foreign Policy For India' is L.K Advani.2. 'Wings of Fire' is a book written by A.P.J Abdul kalaam.3. 'Open' is an Autobiography of Andre Agassi.
Manipur has common boundaries with the group of states of
Ultrasonic waves are used for stirring liquid solutions because they
The nitrogen atom has 7 protons and 7 electrons,The nitride ion will have
Something which has easily-understood instructions is said to be___
Civil equality implies
Two cubes have their volumes in the ratio 1 : 27. Find the ratio of their surface areas.
Let their edges be a and b. Then,
a3/b3 = 1/27 (or) (a/b)3 = (1/3)3 (or) (a/b) = (1/3).
\Ratio of their surface area = 6a2/6b2 = a2/b2 = (a/b)2 = 1/9, i.e. 1:9.
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