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

Alok and Bhanu play the following min-max game. Given the expression N = X - Y - Z where X, Y and Z are variables representing single digits (0 to 9), Alok would like to maximize N while Bhanu would like to minimize it. Towards this end, Alok chooses a single digit number and Bhanu substitutes this for a variable of her choice (X, Y or Z). Alok then chooses the next value and Bhanu, the variable to substitute the value. Finally Alok proposes the value for the remaining variable. Assuming both play to their optimal strategies, the value of N at the end of the game would be

8 Answers   Infosys, TCS,


Thirty men take 20 days to complete a job working 9 hours a day.How many hour a day should 40 men work to complete the job? (a) 8 hrs (b) 7 1/2 hrs (c) 7 hrs (d) 9 hrs

10 Answers   Cognizant, HCL, Infosys,


What s de answer for this question : Three independent mechanisms A, B and C have been incorporated for power saving in a plant producing respectively 30%, 40% and 10% efficiency. Assuming that they operate independently, what is the net power efficiency achieved. (a) 62.2% (b) 68% (c) 61% (d) 64% (e) 56%

5 Answers   TCS,


If 10x coins are added to the no. of original coins he has (5y + 1) times more coins. Find out how many coins he had originally in terms of x and y

0 Answers   Changepond,


In a party man & his wife ,and there r 2 son with their wives, and every son has 4 children in his family .how manyperson r in party.

0 Answers   Accenture,






Three taps A, B and C can fill a tank in 12, 15 and 20 hours respectively. If A is open all the time and B and C are open for one hour each alternately. Then the tank will be full in:

0 Answers   Axis Bank,


I am applying for vizag steel plant management recruitment for 2009 please can anybody send me the pattern of the written test paper

31 Answers   Salem Steel Plant, Steel Plant, TATA, Vizag Steel, VSP,


which of the following leaders was not among the moderates

0 Answers   DNA, Indraprastha Gas Limited IGL,


Find the next number in the series 1,2,5,10,,15,22--

0 Answers   DSQ Software,


Time constant for an integrator and differentiator should be

0 Answers   Flipkart,


please send the marketing aptitude,computer knowldege for sbi clerical exam

1 Answers   State Bank Of India SBI,


2 persons start from a pt. and go in opposite directions. After going 3 km they turn left and walk 4 km . how far r they now?

0 Answers   Accenture,


Categories