Place a round magnet on wooden table in 2 different positions. Place a card over it and sprinkle very little iron powder gently on entire surface of the card. Tap the card at one corner gently. Iron powder shows magnetic lines of force.
9) When you place two magnets facing each other, we get different pattern of lines of force. Give your explanation on these formations of magnetic lines.
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Let Z be the number
Z = 13x + 11 where x is the quotient when Z is divided by 13
Z = 17y + 9 where y is the quotient when Z is divided by 17
13x + 11 = 17y + 9
13x + 2 = 17y since x and y are quotients they should be whole numbers . Since y has to be a whole number the left hand side should be multiple of 17
The least possible value of x satisfying the condition is 9 and y will be 7
The answer is 13*9 + 11 = 128 or it is 17*7 + 9 = 128
This is the least number possible. There will be multiple answers and will increase in multiples 17*13 = 221 like 349 , 570, etc
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