Reasoning Quiz for RRB NTPC : 6th February 2020 For Number Series

Directions (1 – 15). Find out the missing numbers in the following series

Q1. 0.5, 1.5, 4.5, 13.5, (……)
(a) 45.5
(b) 39.5
(c) 30.5
(d) 40.5

Q2. 121, 225, 361, (……)
(a) 441
(b) 484
(c) 529
(d) 729

Q3. 19, 2, 38, 3, 114, 4, (……)
(a) 228
(b) 256
(c) 352
(d) 456

Q4. 4, 5, 9, 18, 34, (……)
(a) 43
(b) 49
(c) 50
(d) 59

Q5. 3, 6, 18, 72, (……)
(a) 144
(b) 216
(c) 288
(d) 360

Q6. 21, 25, 33, 49, 81, (……)
(a) 145
(b) 129
(c) 113
(d) 97

Q7. 12, 32, 72, 152, (……)
(a) 312
(b) 325
(c) 515
(d) 613

Q8. 2, 15, 41, 80, (……)
(a) 111
(b) 120
(c) 121
(d) 132

Q9. 8, 10, 14, 18, (……), 34, 50, 66
(a) 24
(b) 25
(c) 26
(d) 27

Q10. 1, 2, 6, 24, (……)
(a) 60
(b) 95
(c) 120
(d) 150

Solutions

Important Links for RRB NTPC Recruitment 2019

RRB NTPC Previous year Cut Off | 1st & 2nd Stage Examination
RRB NTPC Recruitment 2019: Check FAQs
RRB NTPC Exam Pattern 2019 – Check Here
RRB NTPC Previous Year Exam Analysis

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