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8, 24, 12, 36, 18, 54, (......) (a) 2...

8, 24, 12, 36, 18, 54, (......) (a) 27        (b) 108        (c) 68        (d) 72

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8, 7, 11, 12, 14, 17, 17, 22, (.....) (a) 27 (b) 20 (c) 22 (d) 24

36, 54, 18, 27, 9, 18.5, 4.5 (a) 4.5 (b) 18.5 (c) 54 (d) 18

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The H.C.F.of 0.54,1.8 and 7.2 is (a) 1.80.18, (c) 0.018

Find the LCM of 1.8 , 0.54 and 7.2.

Find the HCF of the following numbers : (a) 18, 48 (b) 30, 42 (c) 18, 60 (d) 27, 63 (e) 36, 84 (f) 34, 102 (g) 70, 105, 175 (h) 91, 112, 49 (i) 18, 54, 81 (j) 12, 45, 75

RS AGGARWAL-ODD MAN OUT AND SERIES-All Questions
  1. 15, 31, 63,127, 255, (......) (a) 513         (b) 511        (c)...

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  2. 2, 6, 12, 20, 30, 42, 56, (......) (a) 60        (b) 64          (c...

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  3. 8, 24, 12, 36, 18, 54, (......) (a) 27        (b) 108        (c) 68...

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  4. 165, 195, 255, 285, 345, (.......) (a) 375          (b) 420     ...

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  5. 7, 26, 63, 124, 215, 342, (.....) (a) 481         (b) 511      (...

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  6. 2, 4, 12, 48, 240, (.....) (a) 960      (b) 1440      (c) 1080  ...

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  7. 8, 7, 11, 12, 14, 17, 17, 22, (.....) (a) 27       (b) 20        (c...

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  8. 10, 5, 13, 10, 16, 20, 19, (.....) (a) 22       (b) 40       (c) 38...

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  9. 1, 2, 4, 8, 16, 32, 64, (.....), 256 (a) 148        (b) 128     ...

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  10. 71, 76, 69, 74, 67, 72, (......) (a) 77         (b) 65         (c) ...

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  11. 9, 12, 11, 14, 13, (.....), 15 (a) 12      (b) 16    (c) 10    (d)...

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  12. Complete the series: 2, 5, 9, 19, 37, ...... (a) 76         (b) 74 ...

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  13. Directions: Find the wrong number in the series. 3, 8, 15, 24, 3...

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  14. 2, 9, 28, 65, 126, 216, 344 (a) 2        (b) 28       (c) 65     (d...

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  15. 5, 15, 30, 135, 405, 1215, 3645 (a) 3645     (b) 1215    (c) 405...

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  16. 125, 106, 88, 76, 65, 58, 53 (a) 125    (b) 106     (c) 88      ...

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  17. 190, 166, 145, 128, 112, 100, 91 (a) 100      (b) 166     (c) 14...

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  18. 1, 1, 2, 6, 24, 96, 720 (a) 720      (b) 96     (c) 24    (d)...

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  19. 40960, 10240, 2560, 640, 200, 40, 10 (a) 640       (b) 40     (c...

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  20. 64, 71, 80, 91, 104, 119, 135, 155 (a) 71      (b) 80      (c) 104 ...

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