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Look at this series: 664, 332, 340, 170, ____, 89, ... What number should fill the blank?

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Question added by Awwab Ahmed , Web-Developer, Graphic-Designer. , Conobio
Date Posted: 2016/08/17
ibrahim Awadh
by ibrahim Awadh , Software Developer , Information Technology Department at the Ministry of Defense

 178 THE ANSER IS 

THE EXPLANETION

89 * 2 = 178

178 - 8 = 170

170 * 2 = 340

340 - 8 = 332

332 * 2 = 664

Karuppiah Senthil
by Karuppiah Senthil , Executive Assistant , VISHVAS MANAGEMENT SERVICES

89 * 2 = 178

178 - 8 = 170

170 * 2 = 340

340 - 8 = 332

332 * 2 = 664

 

Hence the answer is 178

Syeda Zainub Gilani
by Syeda Zainub Gilani , Lecturer , Pakistan Embassy School and College

178

A hundred and seventy-eight

Bilal Hassan
by Bilal Hassan , Senior .Net Developer , GlobalTranz

The answer to the above question is 178. Bilal

Haitham Aldawas
by Haitham Aldawas , Academic Mentor , University of Kent

:

N, N' = N/2, N'' = N' +8, N''' = N''/2, N'''' = N''' +8, N''''' = N''''/2

 

If N has an odd number of dashes (') we divide the last number by two, if it has an even number of dashes (') we add8 to the last number

Gayasuddin Mohammed
by Gayasuddin Mohammed , Advocate , Practicing Law before High Court at Hyderabad

double of 89 i.e 178 is the answer. Thanks.

Fadi Shweiki
by Fadi Shweiki , Senior Software Engineer / System Analyst (Team Leader) , aljaber engineering (jec)

the number is hundred and seventy-eight 178

Hasham Ahmad
by Hasham Ahmad , Software Engineer , Dubai Airports

The answer is 178,

664/2 = 332

332+8 = 340

340/2 = 170

170+8 = 178

178/2 = 89

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