RRB Group D 2022-18-9-2022-3 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-18-9-2022-3 RRB Questions

31.
In which of the following processes is the pyruvate converted into ethanol and carbon dioxide?
A.
Diffusion
B.
Translocation
C.
Fermentation
D.
Transpiration
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ANSWER :
C. Fermentation
32.
Which of the following is the correct product formed by the combination reaction of calcium oxide with water?
A.
Calcium bicarbonate
B.
Calcium hydroxide
C.
No reaction takes place
D.
Calcium carbonate
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ANSWER :
B. Calcium hydroxide
33.
The price of bananas is Rs x per kg. If the price per kg of apples is Rs 5 more than the price per kg of bananas, then the price (in Rs) of 5 kg of apples and 3 kg of bananas is:
A.
8x + 25
B.
6x + 20
C.
8x + 20
D.
6x + 25
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ANSWER :
A. 8x + 25
34.
A group of numbers/symbols is coded using letters as per the table given below and the conditions which follow. The correct combination of codes follows.
Conditions:
(i) If the first element is a symbol and the last element is a number, the codes for these two (the first and the last elements) are to be interchanged.
(ii) If the first element is an odd number and the last element is an even number, the first and last elements are to be coded as S.
(iii) If both the second and third elements are perfect squares, the third element is to be coded as the code for the second element.
What will be the code for 7 % # @ 4?
A.
GLFO©
B.
©LFOT
C.
©LFO©
D.
©LFOT
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ANSWER :
C. ©LFO©
35.
A man purchased 50 dozen bananas for a certain amount. He could not sell five dozen of those bananas as they were spoiled. He sold two-thirds of the good bananas at a profit of 20% per dozen and sold the remaining good bananas at a profit of 5% per dozen. What was his loss or gain percentage in the whole transaction?
A.
3.5% gain
B.
3.5% loss
C.
2.5% loss
D.
2.5% gain
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ANSWER :
A. 3.5% gain
36.
The SAFE (SIDBI Assistance to Facilitate Emergency) response against Corona Virus scheme, launched by SIDBI (Small Industries Development Bank of India) in March 2020, provided loans at an interest rate of ____ per annum.
A.
2%
B.
4%
C.
5%
D.
3%
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ANSWER :
C. 5%
37.
Given that ΔABC and ΔADE are similar, which of the following options is necessarily true?
A.
AB / AD = BC / DE
B.
EC / AC = AD / DE
C.
BC / BD = CE / DE
D.
BC / BD = AB / AC
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ANSWER :
A. AB / AD = BC / DE
38.
Select the option that is related to the fifth number in the same way as the second number is related to the first number, and the fourth number is related to the third number.
Note: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits.
Example: 13 → Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.
Series:
7 : 42 :: 9 : 54 :: 11 : ?
A.
55
B.
77
C.
66
D.
88
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ANSWER :
C. 66
39.
In a circuit, there are five resistors each of 5 Ω, and they are connected in such a way that the resistance of the circuit is maximum. Now this circuit is connected to a battery of 15 V. The current flowing through the circuit is:
A.
0.4 A
B.
0.9 A
C.
0.6 A
D.
0.8 A
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ANSWER :
C. 0.6 A
40.
Which of the following statements is INCORRECT about the properties of ionic compounds?
A.
Ionic compounds have high melting and boiling points.
B.
Electrovalent compounds are generally soluble in water and insoluble in petrol.
C.
Ionic compounds are solids because of the weak force of attractions between positive and negative ions.
D.
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ANSWER :
D. undefined