RRB Group D 2018-19-9-2018-2 RRB Question Paper

RRB Group D 2018 Question Papers

RRB Group D 2018-19-9-2018-2 RRB Questions

31.

Which of the fractions given below, when added to \( \frac{13}{5} \) , gives 1?

A.

\( \frac{8}{15} \)

B.

\( \frac{7}{5} \)

C.

\( \frac{26}{10} \)

D.

\( \frac{48}{30} \)

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ANSWER :

D. 48/30

32.
When a ray of light travels from a denser medium to a rarer medium, the ray will:
A.
slow down and bend away from the normal
B.
slow down and bend towards the normal
C.
speed up and bend away from the normal
D.
speed up and bend towards the normal
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ANSWER :
C. speed up and bend away from the normal
33.
Who portrayed the character of Allauddin Khilji in the controversial movie Padmavat?
A.
Ranbir Kapoor
B.
Shahid Kapoor
C.
Rana Daggubati
D.
Ranveer Singh
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ANSWER :
D. Ranveer Singh
34.
The elements present in any one group have the same ___.
A.
atomic size
B.
number of valence electrons
C.
tomic number
D.
atomic mass number
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ANSWER :
B. number of valence electrons
35.
The mean score of three students in a test out of 45 is 38. Two new students take the test. What is the lowest mark that can be obtained by the newcomer who scores less than the other new student for the overall average of the five students to be at least 40?
A.
40
B.
42
C.
41
D.
43
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ANSWER :
C. 41
36.
The initial ratio of sugar and flour in recipe was 17:28. With 27 kg of the recipe, Sunita added more flour to make the sugar to flour ratio 2:5. How much flour did Sunita later add?
A.
8.1 kg
B.
8.5 kg
C.
8.7 kg
D.
8.3 kg
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ANSWER :
C. 8.7 kg
37.
The LCM of 112, 72 and 90 is?
A.
7560
B.
2520
C.
5040
D.
3780
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ANSWER :
C. 5040
38.
As the pH value increases from 7 to 14, it represents:
A.
an increase in the OH⁻ ion concentration
B.
no change in the H⁺ ion concentration
C.
an increase in the H⁺ ion concentration
D.
a decrease in the OH⁻ ion concentration
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ANSWER :
A. an increase in the OH⁻ ion concentration
39.
Find the odd one out.
A.
A
B.
B
C.
C
D.
D
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ANSWER :
B. B
40.
How many right angled triangles are there in this figure?
A.
4
B.
6
C.
7
D.
8
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ANSWER :
A. 4