RRB Group D 2022-14-9-2022-3 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-14-9-2022-3 RRB Questions

11.
The ratio of the lengths of two corresponding sides of two similar triangles is 3 : 1. The ratio of their corresponding angles is:
A.
1 : 3
B.
2 : 1
C.
3 : 1
D.
1 : 1
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ANSWER :
D. 1 : 1
12.
Which of the following statements is correct with respect to Newlands law of octaves?
A.
Newlands’ law of octaves worked well with lighter elements only.
B.
Newlands’ law of octaves worked well with heavier elements only.
C.
In Newlands’ octaves, the properties of fluorine and sodium were found to be the same.
D.
John Newlands, an English scientist arranged the then known elements in the order of increasing atomic sizes.
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ANSWER :
A. Newlands’ law of octaves worked well with lighter elements only.
13.
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 following
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 ©.
(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 5 @ $ ^ 8?the conditions is your answer.
A.
HTMLP
B.
©TML©
C.
©TMLP
D.
HTML©
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ANSWER :
B. ©TML©
14.
Two trains are moving in opposite directions at speeds of 80 km/h and 120 km/h. The length of one train is 300 m. The time taken by them to cross each other is 12 seconds. The length (in m) of the other train, correct to 2 decimal places, is:
A.
366.67
B.
388.88
C.
377.77
D.
333.33
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ANSWER :
A. 366.67
15.
Parenchyma tissue is the most common simple permanent tissue in plants. Why is it known as Chlorenchyma and Aerenchyma in some plants?
A.
Chlorenchyma — Has air spaces (aquatic plants) and helps them to float Aerenchyma — provides mechanical support
B.
Chlorenchyma — Has chlorophyll for photosynthesis (leaves) Aerenchyma — Has air spaces (aquatic plants) and helps them to float
C.
Chlorenchyma — supports the plant Aerenchyma — Has chlorophyll for photosynthesis (leaves)
D.
Chlorenchyma — Has air spaces (aquatic plants) and helps them to float Aerenchyma — has chlorophyll for photosynthesis
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ANSWER :
B. Chlorenchyma — Has chlorophyll for photosynthesis (leaves) Aerenchyma — Has air spaces (aquatic plants) and helps them to float
16.
The given pie chart shows the number of students in six different Houses– P, Q, R, S, T and U of VY International School. Study the chart and answer the question.
Total number of students = 2400 Find the ratio of students in House S to students in House T.
A.
1 : 2
B.
4 : 7
C.
2 : 3
D.
3 : 4
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ANSWER :
C. 2 : 3
17.
In preparation of NaOH by electrolytic method, which solution is used?
A.
Lime water
B.
Chlorine water
C.
Bromine water
D.
Brine
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ANSWER :
D. Brine
18.
Raghav’s monthly salary is Rs 18,000. Raghav took a loan of Rs 30,000 on simple interest for 3 years at the rate of 5% per annum. The amount that he will be paying as simple interest in 3 years is what percentage of his monthly salary?
A.
35 %
B.
20 %
C.
30 %
D.
25 %
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ANSWER :
D. 25 %
19.
A rainbow is observed due to refraction of the sunlight through rain drops. This implies that:
A.
sunlight is monochromatic
B.
sunlight is polychromatic
C.
refractive index of rain drop is 1
D.
rain drops are not spherical in shape
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ANSWER :
B. sunlight is polychromatic
20.
Which of the following numbers will replace the question mark (?) in the given series?
87, 76, 67, 60, 55, ?
A.
51
B.
50
C.
53
D.
52
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ANSWER :
D. 52