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

71) If the cost price of 120 articles is equal to the selling price of 80 articles, find the profit percent.

A) 33.33%
B) 40%
C) 50%
D) 60%

View Answer
C) 50%

Explanation:Quantity
CP 120
SP 80
Ratio = 3:2
Amount = 2:3
Profit = 50%

72) Rita introduced Seema as her mother’s father’s only son’s daughter. How is Rita related to Seema?

A) Cousin
B) Paternal Aunt
C) Niece
D) Maternal Aunt

View Answer
A) Cousin

Explanation:1 RRB NTPC Previous Papers

73) Study the following table and answer the questions based on it.
Given below is the list of expenditures (in lakh rupees) per annum of Company Z over the years.

Year Expenditure Items for Company Z
Salary Fuel and Transport Bonus Interest on Loans Taxes
2011 412 227 15 133.4 98
2012 557 233 16.5 142.5 138
2013 656 245 17.3 151.6 174
2014 680 260 17.9 166.4 188
2015 720 284 18.5 179.4 198

What is the average amount of Bonus per year?

A) Rs. 17.04 Lakhs
B) Rs. 17 Lakhs
C) Rs. 17.4 Lakhs
D) Rs. 16.8 Lakhs

View Answer
A) Rs. 17.04 Lakhs

Explanation:Average Bonus =\frac{15+16.5+17.3+17.9+18.5}5
=\frac{85.2}5=17.04

74) Who was the last emperor of the Mauryan Dynasty?

A) Chandragupta
B) Ashoka
C) Brihadratha
D) Shatadhanvan

View Answer
C) Brihadratha

Explanation:Brihadratha was the last ruler of the Mauryan dynasty. He is assassinated by his commander-in-chief,Pushyamitra Shunga

75) 3 chairs and 2 tables cost Rs. 700 and 5 chairs and 3 tables cost Rs. 1100. What is the cost of 1 chair and 2 tables?

A) 350
B) 400
C) 500
D) 550

View Answer
C) 500

Explanation:3c + 2t = 700 _______(i)
5c + 3t = 1100 _______(ii)
1c + 2t = ?
Multiply (i) by 3 and (ii) by 2 we get.
9c + 6t = 2100
10c + 6t = 2200
Subtracting both we get
c = Rs 100
And t = Rs 200
1c + 2t = Rs 500

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