Others Maths Puzzle

20 14 8
10 5 10
5 ? 3

What number should replace the question mark, and why?

Read Solution (Total 2)

ans:9
7*3=21;(10+8+3=21)
7*4=28;(14+5+9=28)
7*5=35;(20+10+5=35)
12 years agoHelpfull: Yes(15) No(3)

it should 4
12 years agoHelpfull: Yes(9) No(10)

Others Other Question

there is a 7 digit telephone no with all different digits. if the digit at extreme right and extreme left are 5 and 6 respectively,find how many such telephone nos are possible 3 4 8 15 31 ??

What comes next... and how??