Maths Maths Puzzle Logical Reasoning Blood Relations

2,4,5,7,9,............?

Read Solution (Total 4)

ans is 12
2+4=6-1=5
4+5=9-2=7
5+7=12-3=9
7+9=16-4=12
9 years agoHelpfull: Yes(9) No(0)

2,4,5 is gap of 1 and two in sequence... 4, 5 accordingly, 7 gap of 1 is 9 and sequence is 10 so result is 10
9 years agoHelpfull: Yes(0) No(0)
11
5-2=3
9-5=4
similarly
7-4=3
11-7=4
hence proved... ;)
9 years agoHelpfull: Yes(0) No(2)
2+3=5,5+4=9,4+3=7,7+4=11
5 years agoHelpfull: Yes(0) No(0)

Maths Other Question

6 points are on the plane such that any 2 points are at most distance apart. what is the most number of pairs of points which are strictly greater than √2 apart? eight boys have to be seated in eight chairs numbered 1 to 8 in a row. in how many ways this seating can be done such that if a particular boy does not want to sit in the even numbered chair and another boy wants to sit at the extremes.