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Maths Puzzle
A group of children stand holding hands in a large circle and a teacher walks around a circle giving each child in order a number 1,2,3,4,5,6,7,8...... so on.. If number 12 standing opposite number 30. How many children are there in the circle.
Read Solution (Total 2)
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- k/2+12=30. so k=36
or children btween 12 & 30= 17. so children 17*2+2=36. - 11 years agoHelpfull: Yes(2) No(1)
- let angle b/w consecutive children n so
30n-12n=180
n=10
so
children=360/10=36 - 11 years agoHelpfull: Yes(0) No(2)
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