In a class the average age is 16yrs.if the teacher who is 40 yrs of age is also included ,the average becomes 17yrs,how many students were there?
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pick out the number which is different from other four. a) 49 b)25 c)36 d)81 e)64 plz specify the reason.... thanks
24 Answers Central Bank of India, Podium Solutions,
Imagine you are standing in front of a mirror, facing it. Raise your left hand. Raise your right hand. Look at your reflection. When you raise your left hand your reflection raises what appears to be his right hand. But when you tilt your head up, your reflection does too, and does not appear to tilt his/her head down. Why is it that the mirror appears to reverse left and right, but not up and down?
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a=2,b=3,c=6 c/(a+b)-(a+b)/c=?
Four Members A,B,C,D are playing a game .A person losing a game should double the amount of others .B,C,D are losing in order after three games .The amount after 3 games are A&B having 40,D is having 16&C 80. Each questions carry one mark: a) who started with small amount of money? b) who started with greatest amount of money? c) what amount did B have?
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