Number Series

  • Number Series Assignments 1

     

    Single Choice Type Questions

     

    Q.1   3, 6, 5, 20, 7, 42, 9, (.....)

              (A) 54   (B) 60  (C) 66  (D) 72

     

    Q.2   1, 3, 4, 8, 15, 27, (.....)

              (A) 37   (B) 44  (C) 50  (D) 55

     

    Q.3   2, 15, 41, 80, (.....)

              (A) 111  (B) 120  (C) 121  (D) 132

     

    Q.4   8, 10, 14, 18, (.....), 34, 50, 66

              (A) 24   (B) 25  (C) 26  (D) 27

     

    Q.5   1, 2, 6, 24, (.....)

              (A) 60   (B) 95  (C) 120  (D) 150

     

    Q.6   2, 3, 8, 63, (.....)

              (A) 1038  (B) 1998 (C) 3008 (D) 3968

     

    Q.7   95, 115.5, 138, (.....), 189

              (A) 154.5  (B) 162.5 (C) 164.5 (D) 166.5

     

    Q.8   4, 10, (.....), 82, 244, 730

              (A) 24   (B) 28  (C) 77  (D) 218

     

    Q.9   4, 32, 128, (.....)

              (A) 128  (B) 144  (C) 192    (D) 256

     

    Q.10 2, 5, 9, 19, 37, (.....)

              (A) 76   (B) 75  (C) 74  (D) 72

     

    Q.11 24, 60, 120, 210, (.....)

              (A) 300              (B) 336       (C) 420      (D) 525

     

    Q.12 165, 195, 255, 285, 345, (.....)

              (A) 375              (B) 420       (C) 435      (D) 390

     

    Q.13 5, 17, 37, 65, (.....), 145

              (A) 95   (B) 97  (C) 99  (D) 101

     

    Q.14 9, 11, 20, 31, (.....), 82

              (A) 41   (B) 51  (C) 60  (D) 71

     

    Q.15 5, 16, 49, 104, (.....)

              (A) 115              (B) 148       (C) 170      (D) 181

     

    Q.16 34, 18, 10, 6, 4, (.....)

              (A) 0    (B) 1    (C) 2   (D) 3

    Q.17 How many such 7's are there in the following number series which are not followed by 4 but preceded by 5 ?

              6 5 7 2 3 5 7 1 2 5 7 3 4 3 5 6 5 4 5 7 6 5 7 4 5 7

              (A) 2                 (B) 3

              (C) 4                 (D) None of these

     

    Q.18 How many such 3's are there in the following number series which are preceded by 4 but not followed by 8 ?

              4 2 8 4 3 2 3 4 3 8 7 5 4 3 8 2 5 4 3 2 4 3 2 7

              (A) 4    (B) 3    (C) 5    (D) 2

     

    Q.19 In the following number series how many times have 2, 3 and 8 come together in such a way that 2 is in the middle and 3 and 8 are at extreme positions ?

              2 4 5 2 3 8 2 3 4 6 7 3 2 8 8 2 3 4 5 6 8 2 3 6 2 8 3 2 8

              (A) 3                           (B) 2

              (C) More than 4            (D) 4

     

    Q.20 In the following series how many times the sum of two consecutive digits is even ?

              1 2 3 4 6 3 4 2 5 9 3 6 7 4 1 2 3 6 7 6 5 4 3

              (A) 3    (B) 4    (C) 5    (D) 2

     

    Q.21 In the following series how many times an odd number is followed by two consecutive even number ?

              4 2 3 2 5 4 2 5 3 2 6 4 3 5 7 2 8 6 7 9 4 5 4 2 9 6 1 3 2

              (A) 4                 (B) More than 4

              (C) 2                 (D) 3

     

    Q.22 In the following number series, how many such 6's are there which are divisible by its just preceding and following numbers ?

              4 6 3 2 5 6 3 7 5 3 6 2 7 5 3 6  4 5 2 6 7 1 2 6 4 3 2 6

              (A) 2    (B) 1    (C) 3    (D) 4

     

    Q.23 In the following number series, how many such 8's are there which are divisible by its just preceding number but not divisible by its just following number ?

              2 8 4 3 2 8 5 4 8 2 6 7 8 5 8 2 4 8 2 6 8 2 4 8 6 7 8 2

              (A) 2    (B) 3    (C) 1    (D) None

     

    Q.24 In the following number series how many such 5's are there which are neither preceded by 3 nor followed by 7 ?

              2 7 5 3 4 5 7 6 3 5 2 1 2 5 4 6 5 9  3 5 7 5

              (A) 4    (B) 5    (C) 3    (D) 2

     

    Q.25 In the following number series how many such 7's are there which are preceded by an odd number and followed by an even number ?

              2 4 5 3 7 6 3 2 5 7 3 5 4 2 3 4 5 3 6 7 3 5 7 3 9 3

              (A) 2                 (B) 3

              (C) 1                 (D) None of these

     

    Directions : -

              Each of the questions form 26 to 28 based on the following number series.

              7 3 2 9 5 7 4 1 3 6 4 9 5 4 6 5 2 7 2 4 1 6 7 2 1 3

     

    Q.26 How many such odd digits are there in the given series which are followed by an odd digit ?

              (A) 4                           (B) 6

              (C) More than 6            (D) 3

     

    Q.27 How many such even digits are there in the given series which are preceded by an odd number and followed by an even number ?

              (A) 1    (B) 2    (C) 4    (D) 3

     

    Q.28 How many such odd digits are there in the given series which are preceded and followed by any even digit ?

              (A) 4    (B) 2    (C) 5    (D) 3

     

    Q.29 In the following number series how many 4's are there which are preceded by a prime number but not followed by a prime number ?

              3 4 9 5 4 2 6 3 8 4 5 3 2 4 3 6 5 4 8 3 5 4 3 9 2 3 7 4 3

              (A) 3                 (B) 1

              (C) 2                 (D) None of these

     

    Q.30 How many such groups of 3 digits are there in the following number series in which middle digit is an even number while atleast one of the two remaining digits is an odd number ?

              3 4 3 2 4 2 3 5 1 7 2 5 9 6 4 3 5 8 2 1 4 6  5 6 7 4

              (A) 6                 (B) 5

              (C) 4                 (D) More than 6

    Q.31 In the following series how many such 1's are there which are preceded by an odd number and this odd number is preceded by a prime number ?

              4 3 5 1 6 3 1 2 7 1 4 9 3 1 7 8 9 3 1 5 4 1 3 2 5 1

              (A) 3                 (B) 2

              (C) 4                 (D) None of these

     

    Q.32 If all the prime numbers from 1 to 49 are removed, then how many numbers will remain ?

              (A) 33 (B) 34  (C) 32  (D) 36

     

    Q.33 If all the odd number from 3 to 36 are removed, then how many number will remain ?

              (A) 16 (B) 20  (C) 15  (D) 17

     

    Q.34 If all the squared numbers, and those numbers, the sum of whose digits is 9 from 4 to 65 are removed, then how many numbers will remain ?

              (A) 49 (B) 55  (C) 51  (D) 45

     

    Q.35 If all the numbers from 7 to 59, which are divisible by 3 are arranged in descending order then which number will be at 10th place from the bottom ?

              (A) 36 (B) 39  (C) 30  (D) 27

     

    Q.36 Among all the numbers from  3 to 87, which are divisible by 4 and also whose sum of digits is 9, which will have the least digit ?

              (A) 7    (B) 3    (C) 2    (D) 6

     

    Q.37 If from 8 to 80 all the squared numbers and those numbers the sum of whose digits is 9 are arranged in descending order, then which number will be at 12th place ?

              (A) 36 (B) 49  (C) 45  (D) 30

     

    Q.38 From 6 to 39, how many numbers are such which are divisible by 3 or 5 ?

              (A) 17 (B) 10  (C) 12  (D) 15

     

    Q.39 From 9 to 79, how many numbers are such which are divisible by 3 or 5 ?

              (A) 5    (B) 6    (C) 7    (D) 4

     

    Q.40 What will be the middle, digit of that number which will be exactly in the middle when the following numbers are arranged in descending order ?

              465, 352, 698, 245, 875, 529, 812

              (A) 4    (B) 7    (C) 5    (D) 2

     

    Q.41 If the following numbers are arranged in the descending order, what will be the middle digit of the number which will be exactly in the middle ?

              729, 215, 575, 882, 661, 796, 631

              (A) 6    (B) 2    (C) 1    (D) 8

     

    Q.42 If the digits of the following numbers are reversed and then the numbers are arranged in descending order, then what will be the middle digit of the middle term ?

              329, 215, 175, 295, 539, 486, 765

              (A) 1    (B) 9    (C) 7    (D) 6

     

    Q.43 If the following numbers are written in ascending order then what will be the middle digit of the middle term ?

              745, 657, 825, 475, 692, 612, 735

              (A) 2    (B) 9    (C) 4    (D) 7

     

    Q.44 If the following numbers are written in ascending order then what will be the middle digit of the middle term ?

              815, 686, 795, 835, 765, 822, 719

              (A) 8    (B) 1    (C) 3    (D) 9

     

    Q.45 If the digits of the following numbers are reversed and then the numbers are arranged in ascending order then what will be the middle digit of the middle term ?

              375, 683, 315, 792, 865, 129, 875

              (A) 3    (B) 6    (C) 7    (D) 8

     

    Q.46 If the numbers from 1 to 24, which are divisible by 2 are arranged in descending order, then which number will be at 8th place from the bottom ?

              (A) 10 (B) 12  (C) 16  (D) 18

     

    Q.47 If the numbers which are divisible by 3 from 1 to 61 are arranged in descending order, then which numbers will be at 5th place and at 15th place from above ?

              (A) 45, 18                      (B) 48, 18

              (C) 48, 21                      (D) 45, 15

     

    Q.48 How many numbers there from 6 to 90, which are divisible by 5 and either unit digit or tenth digit or both include 5 ?

              (A) 7    (B) 8    (C) 10  (D) 9

     

    Q.49 There are 23 steps to reach a temple, On descending from the temple Ram takes two steps in the same time. Shyam ascends one step. If they start to work simultaneously, at which step will they meet each other ?

              (A) 8th               (B) 9th (C) 10th     (D) 11th

     

    Q.50 There are 35 steps to reach a temple. On descending from the temple Soni takes two steps in the same time Gunjan ascends four steps. If they start to work simultaneously, at which step will they will they meet each other ?

              (A) 18th             (B) 10th        (C) 24th      (D) 17th

     

    Q.51 How many numbers are there from 4 to 53 which are either divisible by 3 or of which any digit contains zero ?

              (A) 20 (B) 15  (C) 16  (D) 19

    Uploaded byTarun SharmaTarun Sharma         View Answer


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