Home
Class 10
MATHS
11, 21, 43, 85, 171, 343...

11, 21, 43, 85, 171, 343

A

21

B

85

C

171

D

343

Text Solution

Verified by Experts

The correct Answer is:
D

Double the numbers and then subtract and and add one alternatively
`therefore 171xx2-1=341`.
Promotional Banner

Topper's Solved these Questions

  • SERIES COMPLETION TEST

    MCGROW HILL PUBLICATION|Exercise EXERCISE 2 SET II|35 Videos
  • SERIES COMPLETION TEST

    MCGROW HILL PUBLICATION|Exercise EXERCISE 3 TYPE III|10 Videos
  • SERIES COMPLETION TEST

    MCGROW HILL PUBLICATION|Exercise EXERCISE 1 SET II|25 Videos
  • SERIES

    MCGROW HILL PUBLICATION|Exercise ILLUSTRATIVE EXAMPLES|3 Videos
  • SITUATION REACTION TEST

    MCGROW HILL PUBLICATION|Exercise EXERCISE|15 Videos

Similar Questions

Explore conceptually related problems

Select the correct option that will fill in the blank and complete the series. 21, 43, 85, 171, 341, .......

The following question, a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. 5, 11, 21, 43, 85, ____

Complete the series. 12, 21, 23, 32, 34, 43, 45, ?

The median of the data 2, 9, 7, 21, 43, 35, 33, 36, 58, 47 is : संख्या-समूह 2, 9, 7, 21, 43, 35, 33,36, 58, 47 की माधियका है :

The odd element in the sequence 3, 7, 13, 21, 33, 43, 57, __is

Which number will replace the question mark (?) in the following series? 21,43,45, 91, 93, ?

In the following question, select the missing number from the given series. 21, 11, 32, 43, 75, ?

29, 37, 21, 43, 13, 53, 5

3 4 ? 21 85 110 326