RRB NTPC CBT 1 December-7-2022 Exam Previous Question Paper with Solutions

61) What is the mode of the following list of numbers:
2, 4, 5, 6, 5, 4, 3, 5, 3, 1, and 7?

A) 3
B) 4
C) 5
D) 2

View Answer
C) 5

Explanation:1, 2, 3, 3, 4, 4, 5, 5, 5 , 6, 7
Mode = highest frequency =5

62) The first captain of the Indian Cricket team for One Day International was –

A) Ajit Wadekar
B) Sunil Gavaskar
C) Kapil Dev
D) C K Nayudu

View Answer
A) Ajit Wadekar

Explanation:First Captain for Indian ODI team is Ajit Wadekar (1974). First Captain for Indian T20 team is Virender Sehwag (2006).

63) In 2016, who has partnered with ISRO to use space technology for ‘predictive policing’?

A) Delhi Police
B) Mumbai Police
C) Chennai Metropolitan Police
D) Kolkata Police

View Answer
A) Delhi Police

Explanation:The Delhi Police will start using a ‘predictive policing’ mechanism in partnership with the Indian Space Research Organisation (ISRO).

64) In 1831, electricity became viable for use in technology when ________ created the electric dynamo.

A) Benjamin Franklin
B) Alessandro Volta
C) Michael Faraday
D) Thomas Edison

View Answer
C) Michael Faraday

Explanation:The word “dynamo” was coined in 1831 by Michael Faraday, who utilized his invention toward making many discoveries in electricity (Faraday discovered electrical induction) and magnetism

65) A ladder 10 m long is leaning against a vertical wall. It makes an angle of 60° with the ground. How far is the foot of the ladder from the wall?

A) 5 m
B) 8.66 m
C) 17.32 m
D) 15 m

View Answer
A) 5 m

Explanation:1 RRB NTPC Previous Papers
Distance between B and C = 10 cos 60 = 5 m

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