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

11) The Jayakwadi Project, which is one of the largest irrigation projects is on the river–

A) Godavari
B) Narmada
C) Krishna
D) Tapi

View Answer
A) Godavari

Explanation:Jayakwadi irrigation project is located on Godavari river at the site of Jayakwadi village in Paithan taluka of Aurangabad district in Maharashtra State state of India.

12) Which of the following technological inventions came first?

A) Telegraph
B) Telescope
C) Telephone
D) Teletype

View Answer
B) Telescope

Explanation:Galileo made his first telescope in 1609. Samuel Morse independently developed and patented a recording electric telegraph in 1837. Alexander Graham Bell was awarded the first U.S. patent for the invention of the telephone in 1876. Teletype machines from the AP, UPI and Reuters, were invented in 1924, and phased out in the 1970s.

13) Ganesh said, “Anjali is my paternal grandfather’s only daughter-in law’s only granddaughter”. Ganesh is single and has only one sibling, i.e., an elder sister. How is Ganesh related to Anjali?

A) Maternal Uncle
B) Paternal Uncle
C) Cousin
D) Nephew

View Answer
A) Maternal Uncle

Explanation:1 RRB NTPC Previous Papers

14) What will Rs. 40,000 amount to in 2 years at the rate of 20% p.a., if interest is compounded yearly?

A) Rs. 48,620
B) Rs. 58,564
C) Rs. 57,600
D) Rs. 60,000

View Answer
C) Rs. 57,600

Explanation:1 RRB NTPC Previous Papers
Rs.57600

15) The sum of digits of a two-digit number is 10. When the digits are reversed, the number decreases by 54. Find the changed number.

A) 73
B) 28
C) 82
D) 37

View Answer
B) 28

Explanation:10x + y – 10y – x = 54
9(x – y) = 54
x – y = 6
x + y = 10
From this we get x = 8, y = 2
Number =28

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