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			PICK THE ODD ONE OUT A)668 B)776 C)848 D)665 I WANT THE ANSWER WITH REASON ... 
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			AN OBJECT IS 20cm AWAY FROM A CONCAVE MIRROR WITH FOCAL LENGTH 15cm.IF THE OBJECT MOVES WITH THE SPEED OF 5m/s ALONG THE AXIS THEN WHAT IS THE SPEED OF THE IMAGE ? please give the final answer along with steps ... 
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			I SIT FOR HOURS & READ FOR MY EXAMS BUT THE RESULT IS NOT WAT I XPECT. I EVEN FORGET SOME ANSWERS DURING MY EXAM CAN U HELP ME? ...