Latest Infosys Aptitude Question SOLUTION: Find the next term in the given series - 47, 94, 71, 142, 119, 238, . ? a.331 b.360 c.320 d.340

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(#M40033973) INFOSYS Numerical Ability question series Keep an EYE

Find the next term in the given series -

47, 94, 71, 142, 119, 238, . ?

a.331

b.360

c.320

d.340

Asked In Infosys Vikrant (10 years ago)

Solved Devendra Marghade Read Solution (19)

Is this Puzzle helpful?   (36)   (8) Submit Your Solution Arithmetic

Read Solution (19) :

Devendra Marghade  (10 years ago)

215
47+47=94 & 94-23=71
71+71=142 & 142-23=119
119+119=238, So 238-23=215

Is this solution Helpfull? Yes (59) | No (4)  

chaithanya  (10 years ago)

331
ODD,EVEN,ODD,EVEN.ODD,EVEN.ODD

Is this solution Helpfull? Yes (35) | No (10)  

shilpee bharti  (10 years ago)

215
47,94,71,142,119,238
the diff between 47 and 94 is 47 means first no two times added we get 2nd no.the diff bet 2nd and 3rd no is 23....again same thing is repeated so the 2nd last is 2 time some of last then lastly we found it how much we minus to get 23 no.so the ans is 238-23=215

Is this solution Helpfull? Yes (9) | No (3)  

Pu  (10 years ago)

(47,74,119) and (94,142,238)
47
74-47=24
119-74=48
215-119=96
so, the series:-47,94,71,142,119,238,215,430

Is this solution Helpfull? Yes (5) | No (9)  

gouse samdani  (10 years ago)

A)331. we can see clearly, the series is in the form of (odd even odd even odd even ____ ? it is odd )

Is this solution Helpfull? Yes (5) | No (3)  

Akash Kar  (10 years ago)

In this series - 47+24=71,
71+2*24=119,
119+3*24= 191

Is this solution Helpfull? Yes (2) | No (2)  

Vijay  (10 years ago)

@ SHWETANSHU, would you plesae explain the second line?

Is this solution Helpfull? Yes (1) | No (2)  

shwetanshu  (10 years ago)

47 71 119 one group, 94 142 238 another group. now 47*2= 94 similarly ,, analyse in the given sequence , we have a 2a b 2b c 2c and difference is 2*n , for n =2, 3, so for n=4.. 2X-23=24*6, on solving we will get next digit as 320

Is this solution Helpfull? Yes | No (10)  

chanchal  (10 years ago)

shwetanshu will you please exlain the 2nd line.

Is this solution Helpfull? Yes | No (1)  

V aYp  (10 years ago)

I think chaitanya had the correct anwr

Is this solution Helpfull? Yes | No (2)  

Garun Mishra  (9 years ago)

chaitanya sir, please explain the meaning of odd,even, odd, even...

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selvakumar  (9 years ago)

331 first series *2

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Anik  (9 years ago)

47*2=94
71*2=142
119*2=238 but alter term i.e 47,71,119 is occurd like 47+24=71
71+2*24=119
119+3*24=191
so the ans should be 191

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Chirag Ranjan Lahiri  (9 years ago)

47+47=94 & 94-23=71
71+71=142 & 142-23=119
119+119=238, So 238-23=215

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awanish singh  (9 years ago)

i think option is missing...

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BASANT KUMAR  (9 years ago)

47+24=71
94+48=142
71+48=119
142+96=238
so, 119+96=215

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shashank  (7 years ago)

47 +24=71+48=119+72+331

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NIVETHA GOPAL  (7 years ago)

could anyone explain the logic correctly so that the answer comes within the above 4 options

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TEJPRAKASH pandey  (7 years ago)

47*2=94 same all
Now if all no. Are in sequence wise then
Subtraction of 94-71 =23 same other also
Then. As per given options theN ANS. IS
320.

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