Series – Railway Reasoning part – 11Total Questions: 5011. 6, 30, 156, ? [RRB NTPC 11/03/2021 (Evening)](a) 930(b) 942(c) 642(d) 630Correct Answer: (b) 942Solution:12. Find the next two terms of the give number series: [RRB NTPC 11/03/2021 (Evening)]1 2 5 4 9 8 13 16 17 32 21(a) 27 48(b) 25 64(c) 64 25(d) 48 27Correct Answer: (c) 64 25Solution:13. A30L, J30E, A31T, O31R, ? [RRB NTPC 11/03/2021 (Evening)](a) N30R(b) J31Y(c) D31R(d) M31YCorrect Answer: (c) D31RSolution:Here we used first and last letter of alternate month the number in between is number of days of that month. A30L = APRIL( used A and L, has 30 days) J30E = JUNE, Similarly, AUGUST = A31T, OCTOBER = O31R DECEMBER = D31R14. 294, 180, 100, 48, ? [RRB NTPC 11/03/2021 (Evening)](a) 15(b) 18(c) 22(d) 20Correct Answer: (b) 18Solution:15. JX5, LU4, NR12, ? [RRB NTPC 11/03/2021 (Evening)](a) PO11(b) NX8(c) GL15(d) FL12Correct Answer: (a) PO11Solution:Logic :- J + 2 = L , L + 2 = N , N + 2 = P X - 3 = U , U - 3 = R , R - 3 = O 5 - 1 = 4 , 4 × 3 = 12 , 12 - 1 = 1116. 261, 252, 243, 234, 225, ? [RRB NTPC 12/03/2021 (Morning)](a) 216(b) 214(c) 218(d) 224Correct Answer: (a) 216Solution:17. 1, 2.5, 5.5, 11.5, 23.5, ? [RRB NTPC 12/03/2021 (Morning)](a) 34.5(b) 47.5(c) 43.5(d) 33.5Correct Answer: (b) 47.5Solution:18. 3, 8, ? , 33, 53 [RRB NTPC 12/03/2021 (Evening)](a) 30(b) 18(c) 28(d) 22Correct Answer: (b) 18Solution:19. Find the missing letter/series to complete the following sequence: [RRB NTPC 12/03/2021 (Evening)](a) X(b) V(c) P(d) WCorrect Answer: (a) XSolution:D + 5 = I , I + 5 = N , N + 5 = S Similarly, S + 5 = X20. pj, mg, jd, ga, dx, ? [RRB NTPC 12/03/2021 (Evening)](a) az(b) ga(c) au(d) mcCorrect Answer: (c) auSolution:Submit Quiz« Previous12345Next »