Maths puzzle use your mind#shorts#matheducation25m

If my marks in maths are less than your markes in Maths by 20% then your marks in Maths are 25% more than my marks in Maths. (True/False)

Write each of the following using 'if and only if': (i) In order to get A grade, it is necessary and sufficient that you do all the homework regularly. (ii) If you watch television then your mind is free and if your mind is free then you watch television.

Rewrite each of the following statements in the form p if only if q:p: if you watch television then your mind is free and if your mind is free,then you watch television.

The dipole moment of a short bar magnet is 1.25 A-m^(2) . The magnetic field on its axis at a distance of 0.5 metre from the centre of the magnet is