# Logical Reasoning Questions And Answers :: Number Series: part1

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Logical Reasoning Ability Test : Number Series QUESTIONS AND ANSWERS :: part1 : 11 to 15

 11. 16, 22, 34, 58, 106, ��, 394 178 175 288 170 202 ANSWER : 202 Explanation : . Series moves with a difference of 6, 12, 24, 48, 96. Hence, the missing number is 202.
 12. 5, 7, 11, 19, 35, 67, ��., 259 64 131 135 32 None of these ANSWER : 131 Explanation : . Series moves with a difference of 2, 4, 8, 16, 32, 64. Hence, the missing number will be 67 + 64 = 131.
 13. 2, �., 8, 16, 32, 64, 128, 256 2 3 5 4 None of these ANSWER : 4 Explanation : . Each number of the series is the double of the preceding number. Hence, the missing number will be 4.
 14. 3, 128, 6, 64, 9, ��., 12, 16, 15, 8 32 12 108 72 64 ANSWER : 32 Explanation : . There are two alternate series � one, 3, 6, 9, 12,15 and the other 8, 16, 32, 64, 128 (every number is double of preceding number). Hence, the missing number will be 32.
 15. 4, 7, 11, 18, 29, 47, �., 123, 199 76 70 84 102 95 ANSWER : 76 Explanation : . 3rd number is the sum of 1st and 2nd, 4th number is the sum of 2nd and 3rd, 5th number is the sum of 3rd and 4th and so on. Hence, missing number will be 29 + 47 = 76

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