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Maths Puzzle
next door to me live four brothers of different heights . Their average height is 74 inches, and the difference in height amongst the first three man is 2 inches. The difference between the Third and Fourth man is 6 inches .Can you tell how tall is each Brother ?
Read Solution (Total 5)
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- let the hight of tallest brother be x
x,x-2,x-4,x-10 inches
as we know avege of their height is 74 so acc to ques
(x+(x-2)+(x-4)+(x-10))/4 = 74
= 296
x=78
78,76,74,68 are the heights from tallest - 13 years agoHelpfull: Yes(8) No(5)
- x,x-2,x-4,x-10 inches
x+(x-2)+(x-4)+(x-10)= 74*4 = 296
x=78
78,76,74,68 are the heights from tallest - 13 years agoHelpfull: Yes(5) No(8)
- guys i have seen in book there it has these 4 options a)71,72,73,74 b)70,72,74,80 c)72,73,74,76 d)70,73,74,80
- 10 years agoHelpfull: Yes(1) No(1)
- correct answer is posted by megha...in bw y did you choose the height as x,x+2,x+4,x+10...y not x.x-2....like that
- 10 years agoHelpfull: Yes(1) No(1)
- (x+(x+2)+(x+4)+(x+10))/4 = 74
= 296
x=70
70,72,74,80 - 8 years agoHelpfull: Yes(1) No(0)
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