2 6 12 20 30 ?

M4maths Previous Puzzles

26 Apr 2011 what will be the next 2 6 12 20 30 ?: OPtion
1) 40
2) 41
3) 42
4) 38
5) 56
6) 50
7) 44
8) 48
9) 64
10) 60; Correct Option: 3 Best Solution (3)

YadeeshKumar 13 years AGO

increasing sequence
2 + 4= 6
6 + 6= 12
12+ 8 =20
20+10=30
30+12=42

Like? Yes (6) | No (3)

sanjeev 13 years AGO

the solution is as...
2^2-2=2
3^2-3=6
4^2-4=12
5^2-5=20
6^2-6=30
next term is
7^2-7=42

Like? Yes (5) | No (2)

arunlal 13 years AGO

2*1=2
3*2=6
4*3=12
5*4=20
6*5=30
so, next numb is
7*6=42

Like? Yes (2) | No (2)

Dimple

India

Punjab

Time: 00:01:33

Points

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Prabaharan

amcat ques , guys help me what is the value of these log0.2 base 5

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