RRB Group D 2022-19-9-2022-3 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-19-9-2022-3 RRB Questions

31.
In Economics, which of the following curves is ‘inverse U-shaped’?
A.
Long run average cost curve
B.
Average variable cost curve
C.
Marginal product curve
D.
Short run marginal cost curve
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ANSWER :
C. Marginal product curve
32.
What is the unit of magnification?
A.
cm
B.
Newton
C.
Dioptre
D.
It has no unit
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ANSWER :
D. It has no unit
33.
A statement is given followed by two conclusions numbered I and II. You have to assume everything in the statement to be true and decide which of the conclusions logically follow(s) beyond a reasonable doubt from the information given in the statement.
Statement:
It is reported that heavy and erratic rainfall has destroyed many agricultural crops and farmers are in debt.
Conclusions:
I. Farmers need not repay the debt.
II. Prices of groceries and other essential food items such as lentils and grains will surge.
A.
Neither conclusion I nor II follows
B.
Both conclusions I and II follow
C.
Only conclusion I follows
D.
Only conclusion II follows
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ANSWER :
D. Only conclusion II follows
34.
The expression (3.7)3−3×(3.7)2×(0.7)+3(3.7)×(0.7)2−(0.7)3 is equal to:
A.
30
B.
27
C.
35
D.
10
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ANSWER :
B. 27
35.
Select the option that represents the letters that, when placed from left to right in the blanks below, will complete the letter series.
K _ P _ L Z _ P _ M Z K _ B _ Z _ P B _ Z
A.
B K B P N P O
B.
B K B P N K O
C.
B K B P N K P
D.
B K P P O K P
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ANSWER :
B. B K B P N K O
36.
If x ≠ y, z > 0 and (x + z )2 : ( y + z)2 :: x : y, then find a , where a > 0 , such that x : a :: a: y.
A.
x2y2
B.
z
C.
-z
D.
x - y
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ANSWER :
B. z
37.
The position of how many letters will remain unchanged if each of the letters in the word GERMANY is arranged in alphabetical order?
A.
3
B.
4
C.
5
D.
2
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ANSWER :
A. 3
38.
What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘−’ are interchanged and also ‘×’ and ‘÷’ are interchanged?
160 × 8+ 12− 6 ÷ 180 × 6 − 4 = ?
A.
192
B.
202
C.
182
D.
172
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ANSWER :
A. 192
39.
Which social reformer founded the Satyashodhak Samaj?
A.
Keshab Chandra Sen
B.
Dayanand Saraswati
C.
Jyotirao Phule
D.
Narayan Guru
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ANSWER :
C. Jyotirao Phule
40.
Which of the following numbers will replace the question mark (?) in the given series?
100, 90, 81, 73, 66, 60, 55, ?
A.
53
B.
50
C.
52
D.
51
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ANSWER :
D. 51