2, 6, 12, 20, 30, ___, 56

Answers were Sorted based on User's Feedback



2, 6, 12, 20, 30, ___, 56..

Answer / gopinath allanku

Answer is 42

Is This Answer Correct ?    35 Yes 3 No

2, 6, 12, 20, 30, ___, 56..

Answer / anu abraham & amit bajpai

2
2+(4)=6
6+(4+2)=12
12+(6+2)=20
20+(8+2)=30
30+(10+2)=42
42+(12+2)=56

Is This Answer Correct ?    20 Yes 5 No

2, 6, 12, 20, 30, ___, 56..

Answer / lokescivil

answer is 42 because
(2*2)-2=4
(3*3)-3=6
(4*4)-4=12
(5*5)-5=25
(6*6)-6=30

(7*7)-7=?????????????

(8*8)-8=56
I think u have understood the logic

Is This Answer Correct ?    13 Yes 3 No

2, 6, 12, 20, 30, ___, 56..

Answer / hariharasudhan

common difference of the next next numbers are in the G.P.
6-2=4
12-6=6
20-12=8
30-20=10
?-30=12
so the ?=42
that's also match the next number also.
56-42=14
so the answer is 42

Is This Answer Correct ?    8 Yes 1 No

2, 6, 12, 20, 30, ___, 56..

Answer / sivakami

Answer is 42

Is This Answer Correct ?    6 Yes 1 No

2, 6, 12, 20, 30, ___, 56..

Answer / sunil902

Multiples of 2, so answer is 42.

Is This Answer Correct ?    5 Yes 1 No

2, 6, 12, 20, 30, ___, 56..

Answer / helenmary

2
2+2+2=6
6+4+2=12
12+6+2=20
20+8+2-30
30+10+2=42
42+12+2=56

Is This Answer Correct ?    5 Yes 2 No

2, 6, 12, 20, 30, ___, 56..

Answer / hema

ans is 42

2*1=2
3*2=6
4*3=12
5*4=20
6*5=30
7*6=42
8*7=56

Is This Answer Correct ?    5 Yes 3 No

2, 6, 12, 20, 30, ___, 56..

Answer / gomathi

ANS:42
by adding 4 with 2 we get 6
then add 6 with 6 we get 12
then add 8 with 12 we get 20
then add 10 with 20 we get 30
now add 12 with 30 we get 42
then add 14 with 42 we get 56

Is This Answer Correct ?    2 Yes 0 No

2, 6, 12, 20, 30, ___, 56..

Answer / gomathi

ANS:42
by adding 4 with 2 we get 6
then add 6 with 6 we get 12
then add 8 with 12 we get 20
then add 10 with 20 we get 30
now add 12 with 30 we get 42
then add 14 with 42 we get 56

Is This Answer Correct ?    2 Yes 1 No

Post New Answer

More General Aptitude Interview Questions

If the cost of an article is x , first discount given is y% of cost, second discount given is z% of cost . The selling price of x is

1 Answers   TATA,


If A=Z, B=Y, C=X, .......... Z=A, Then SOUR = ?

0 Answers   Baan Infotech,


I most like to work with? Most men act though?

0 Answers  


1@2=8,3@5=323,4@5=?

1 Answers  


f(X)= 2X-1 + f(X-1) if X is not equal to zeroandiff(X=0)=0, Value of f(5)

0 Answers   CTS,






8 man work for 6 days to complete a work. How many men are required to complete same work in 1/2 day.

5 Answers   Citicorp, COSL, Wipro,


virtual memery size depand on

4 Answers  


There are 12 boys and 15 girls, How many different dancing groups can be formed.

5 Answers   Accenture, CMC,


Which way should the key turn in a car door to unlock it?

13 Answers   Microsoft, Toyota,


it takes 8 , 12 and 16 days for A , B and C to complete to task . how many days will it take if A works on the job for 2 days and then B works on it until 25 % of the job is left for C to do , and C completes the work ?

6 Answers   CTS,


n and p are integers greater than 1 5n is the square of a number 75np is the cube of a number. The smallest value for n + p is?

1 Answers  


If instead of multiplying a number by 7 the number was divided by 7. What should be the percentage error? (a) 100% (b) 96.8% (c) 92.70% (d) 97.9% (e) None of these

4 Answers   TCS,


Categories