Infosys
Company
Logical Reasoning
Number Series
2 2 12 12 30 30 -
WHAT IS THE NEXT DIGIT.
Read Solution (Total 8)
-
- 1^2+1=2
2^2-2=2
3^2+3=12
4^2-4=12
5^2+5=30
6^2-6=30
so next two terms are
(7^2+7)=56 & (8^2-8)=56
ans 56,56
- 10 years agoHelpfull: Yes(77) No(0)
- 2 2 12 12 30 30
1*2=2
1*2=2
3*4=12
3*4=12
5*6=30
5*6=30
7*8=56
56 IS THE RIGHT ANSWER - 10 years agoHelpfull: Yes(28) No(0)
- 56...
as 1^2+1=2
3^2+3=12
5^2+5=30
7^2+7=56 - 10 years agoHelpfull: Yes(3) No(0)
- 2 2 12 12 30 30 formed as 2*1 2*1 2*3*2 2*3*2 2*5*3 2*5*3 2*7*4 2*7*4 hence the number after 30 30 is 56 56
- 10 years agoHelpfull: Yes(1) No(0)
- 1*1+1 = 2
2*2-2 = 2
3*3+3 = 12
4*4-4 = 12
5*5+5 = 30
6*6-6 = 30
7*7-7 = 42 - 10 years agoHelpfull: Yes(0) No(4)
- 12-2=10(2*5)
30-12=18(3*6)
--------(4*7=28)
so 30+28=58 - 10 years agoHelpfull: Yes(0) No(2)
- answer is 120...
- 10 years agoHelpfull: Yes(0) No(3)
- 1*2=2
2*1=2
3*4=12
4*3=12
5*6=30
6*5=30
7*8=56
8*7=56
..........
so the next digits are 56,56 - 7 years agoHelpfull: Yes(0) No(0)
Infosys Other Question