Find the missing number of the series 14, 35, 21, 322, 28, ?, 35

M4maths Previous Puzzles

10 Oct 2016 Sequence

Find the missing number of the series
14, 35, 21, 322, 28, ?, 35

OPtion

1) 645
2) 353
3) 688
4) 654
5) 2373
6) 2984
7) 3876
8) 655
9) 3946
10)None of these

Solution

Series => 2x, x^2-2x, 3x, x^3-3x, 4x, x^4-4x, 5x……….

Thus according to series=> x=7 and missing term = x^4-4x= 2373

Option 5)

Correct Option: 5 Best Solution (15)

Nwobi Chibuzor    8 years AGO

Multiplication and exponent.
7 × 2 = 14
7^2 - 7×2) = 35
7 × 3 = 21
7^3 - 7×3 = 322
7 × 4 = 28
7^4 - 7×4 = 2373
7 × 5 = 35

Therefore the missing number is 2373

Like? Yes (4) | No (2)  

shamil muhammed   8 years AGO

the numbera in the series is the multiple of 7.From option only option 5 satisfy this condition.so..

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SADDAM   8 years AGO

14+35=49=7^2
21+322=343=7^3
28+?=7^4=2401
→?=2401-28=2373
》?=2373
Hence missing term is 2373 .option 5

Like? Yes | No   

Nitish kesarwani   8 years AGO

Every series is divisible by 7 so answer is 2373 option 5

Like? Yes | No   

Pritam Dewan   8 years AGO

14=7*2 , 35 =7*(7-2) , 21=7*3 , 322=7 *(7^2--3), 28 =7*4, 2373=7*(7^3-4)

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Akshay   8 years AGO

Bcoz the series are multiple of 7 so missing no. must be the multiple of 7 which is only2373 out of all other options

Like? Yes | No   

Ravi Kant Sharma   8 years AGO

every no in the series is divisible by 7 and in the options given only option 5 is divisible by 7 by trial and error.

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punit anand   8 years AGO

first series 7*2 =14 ,7*3=21,7*4=28,7*5=35
in alternet series ,7^2-14=35,7^3-21=322,7^4-28=2373
right ans

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CHANDAN KUMAR   8 years AGO

Answer will be the multiple of 7.
Among all the answers,the correct one is 5)2373

Like? Yes | No   

nimisha gupta   8 years AGO

All the numbers in the series are divisible by 7.
In the options provided only 2373 in divisible by 7.

Like? Yes | No   

ashutosh omble   8 years AGO

every no is divisible by 7
in option only no.5 is divisible 7

Like? Yes | No   

Shavy khanna   8 years AGO

All the numbers in the series are multiples of 7.From the given options only 2373 is the multiple of 7.So answer is 2373(Option 5).

Like? Yes | No   

Soujanya Lachyan   8 years AGO

All the numbers in the given series is divisible by 7.In the given options only 2373 is divisible by 7.

Like? Yes | No   

manik garg   8 years AGO

7^2-14=35
7^3-21=322
Similarly
7^4-28=2373

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SaiKumar   8 years AGO

every number in the series is divisible by 7 but in the given options the number 2373 is only divisible by 7 so the answer is 2373 in option 5

Like? Yes (1) | No (3)