Find the wrong number in the series:
3,5,12,39,154,772,4634



Find the wrong number in the series: 3,5,12,39,154,772,4634..

Answer / vimal

3*1 +2=5
5*2 +2=12
12*3+2=38, so 39 is the wrong entry
38*4+2=154
154*5+2=772
772*6+2 = 4634

Is This Answer Correct ?    145 Yes 23 No

Post New Answer

More General Aptitude Interview Questions

If on an item a company gives 25% discount, they earn 25% profit. If they now give 10% discount, then wat % profit they make?

0 Answers   Google,


Complete the series: 5, 20, 24, 6, 2, 8, ?

0 Answers   Infosys,


Adam stands facing towards northwest direction.He walks 61 m and then turns southwards and walks another 60 m. How far is he from the starting point.?

0 Answers   Mecon,


mention your extra-curricular interest. Which do you actively pursue? how do you see these developing in the future?

0 Answers   Nalco,


fridge cost R Rs,cover value is 5,discount d% then its new cost?

4 Answers   Wipro,






A 6 inch length cylindrical through hole is drilled through the center of sphere, what will be the remaining volume of sphere ? In this question only one data is given ie., hole length - 6". In the question there is no mistake. Find the answer.

3 Answers  


hi dis s krishna frm hyd.am dng rtech 3rd yr in IT branch. so am interested in group 1 exams,is this right time to start preparation.plz answer to Q!

0 Answers   Godrej, State Bank Of India SBI,


70% of people reads morning news paper 40% of people reads evening newspaper 20% of people reads neither morning nor evening newspapers 1 prob who reads at least one newspaper 2 prob who reads both newspaper 3 prob who reads only one newspaper

7 Answers   HP, TCS,


WRITE ABOUT A RECENT VISIT TO A RESTAURANT.

0 Answers   Amazon, TCS,


There are two sorted arrays a1 and a2 of size n1 and size n2 respectively. array a1 is full array a2 has exactly n1(size of array a1) empty space. example a1[]=1234 a2[]=56789_ _ _ _ Write a function to merge these two arrays to form a sorted array without any extra memory use. i want a solution in c/c++ language

2 Answers   Nagarro,


In a company 30% are supervisors and 40% employees are male if 60% of supervisors are male. What is the probability that a randomly chosen employee is a male or female?

0 Answers   TCS,


There are five thieves, each loot a bakery one after the other such that the first one takes 1/2 of the total no. of the breads plus 1/2 of a bread. Similarly 2nd, 3rd,4th and 5th also did the same. After the fifth one no. of breads remained are 3. Initially how many breads were there?

12 Answers   Infosys, L&T,


Categories