RRB JE 2019-24-05-2019-1 RRB Question Paper

RRB JE 2019-24-05-2019-1 RRB Questions

1.
If 20% of a = b, then b% of 20 is the same as:
A.
5% of a
B.
30% of a
C.
4% of a
D.
20% of a
ANSWER :
C. 4% of a
2.
Which word will best complete the relationship given below?
Hygrometer : Humidity :: Barometer : ?
A.
Current
B.
Temperature
C.
Pressure
D.
Speed
ANSWER :
C. Pressure
3.
The cross sectional area of a hemisphere is 2772 cmΒ² and its volume is 19404 cmΒ³. What is its radius?
A.
21 cm
B.
22.5 cm
C.
42 cm
D.
13 cm
ANSWER :
A. 21 cm
4.
What substance is stored and concentrated in the gall bladder?
A.
Lymph
B.
Water
C.
Blood
D.
Bile
ANSWER :
D. Bile
5.
In this question, a statement is given followed by four conclusions. Choose the conclusion(s) which best fit(s) logically.
Statement:
To pass the examination, one must work hard.
Conclusions:
I. Examination is related to only hard work.
II. All those who do not work hard pass.
III. Without hard work, one does not pass.
IV. Hard-working person is a satisfied person.
A.
Only conclusion III follows
B.
Only conclusions I and II follow
C.
Only conclusion I follows
D.
Only conclusion IV follows
ANSWER :
A. Only conclusion III follows
6.
Sufficient food-supply was arranged to last for 30 days for 250 soldiers. If 50 soldiers did not attend the camp, for how many extra days will the food-supply last?
A.
10 days
B.
7.5 days
C.
12 days
D.
9 days
ANSWER :
B. 7.5 days
7.
If tanΒ² 45Β° - cosΒ² 60Β° = x sin 45Β° cos 45Β° cot 30Β°, then find the value of 'x'.
(Image-based question)
A.
1/√2
B.
3/2
C.
√3/2
D.
2/√3
ANSWER :
C. √3/2
8.
In this question, two statements are given followed by two conclusions. Choose the conclusion(s) which best fit(s) logically.
Statements:
1) Some hats are caps.
2) Some caps are mats.
Conclusions:
I. Some caps are hats.
II. Some mats are caps.
A.
Only conclusion II follows
B.
Both conclusions I and II follow
C.
Only conclusion I follows
D.
Either conclusion I or II follows
ANSWER :
B. Both conclusions I and II follow
9.
Who among the following inaugurated an advanced electronic surveillance system along the 61-km India-Bangladesh border in Dhubri district of Assam in 2019?
A.
Narendra Modi
B.
Piyush Goyal
C.
Nirmala Sitharaman
D.
Rajnath Singh
ANSWER :
D. Rajnath Singh
10.
Which of the following is NOT a physical change?
A.
Liquefaction of gases to liquids
B.
Fermentation of substances
C.
Vaporisation of liquids to gases
D.
Melting of solids to liquids
ANSWER :
B. Fermentation of substances