Series – Railway Reasoning part – 4

Total Questions: 50

41. SKC33, OGY39, KCU45, GYQ51,? [Group - D 26/09/2022 (Evening)]

Correct Answer: (b) CUM57
Solution:

First letter: S-4 = O,O-4 = K, K-4 =G, G-4 = C
Second letter : K-4=G,G-4=C, C-4 = Y, Y-4 =U
Third letter : C -4 = Y, Y- 4 =U, U-4 =Q , Q -4 =M
Fourth number : 33 +6 = 39, 39 +6 = 45, 45 +6 = 51 , 51 +6 = 57

42. 4, 9.6, 23.04, ?, 132.7104, 318.50496 [Group - D 26/09/2022 (Evening)]

Correct Answer: (b) 55.296
Solution:

43. 2, 3, 4, 9, 6, 27, 8, 81, 10, ? [Group - D 26/09/2022 (Evening)]

Correct Answer: (a) 243
Solution:

44. E12JZ, M16RH, U20ZP, C24HX,? [Group - D 27/09/2022 (Morning)]

Correct Answer: (d) K28PF
Solution:

First letter : E+8 = M,M+8=U , U+8 = C,C+8 = K
Second number : 12 + 4 = 16,16+4 = 20,20+4 = 24,24+4= 28
Third letter : J+8 = R, R+8=Z, Z+8=H, H+8= P
Fourth letter: Z +8 = H, H+8 = P ,P+8 = X , X+8 = F

45. 3, 7, 23, 59, ? , 223 [Group - D 27/09/2022 (Afternoon)]

Correct Answer: (b) 123
Solution:

46. 171, 140, 110, 81, 53, ? [Group - D 27/09/2022 (Afternoon)]

Correct Answer: (c) 26
Solution:

47. 2.9, 4.4, 5.9, 7.4, 8.9, ? [Group - D 27/09/2022 (Evening)]

Correct Answer: (d) 10.4
Solution:

48. FAN 15, KFS 20, PKX 25, UPC 30, ? [Group - D 27/09/2022 (Evening)]

Correct Answer: (d) ZUH 35
Solution:

49. 19, 19, 21, 63, 67, ? [Group - D 27/09/2022 (Evening)]

Correct Answer: (d) 335
Solution:

50. 8, ?, 4, 6, 12, 30 [Group - D 28/09/2022 (Morning)]

Correct Answer: (a) 4
Solution: