RRB Group D 2018-28-9-2018-2 RRB Question Paper

RRB Group D 2018 Question Papers

RRB Group D 2018-28-9-2018-2 RRB Questions

21.
White phosphorus is stored in:
A.
Oxygen
B.
Alcohol
C.
Hydrogen
D.
Water
ANSWER :
D. Water
22.
The mean of the 8 smallest numbers from a group is 17, while the mean of all the numbers of the group taken together is 20. If the mean of the numbers leaving the smallest eight out is 22, how many numbers were present in the group in all?
A.
22
B.
20
C.
18
D.
16
ANSWER :
B. 20
23.
How many rectangles are there in this figure?
A.
9
B.
14
C.
17
D.
16
ANSWER :
B. 14
24.
A jeweller made a piece of uniquely designed diamond necklace and the selling price was fixed at Rs 10,00,000. In making this piece, on the raw material, the jeweller had invested Rs 3,00,000 and had paid a labour charge of Rs 2,00,000. If 20% of the raw material cost was of gold, what is the actual amount the jeweller had spent in procuring the gold?
A.
1,60,000
B.
1,08,000
C.
3,60,000
D.
60,000
ANSWER :
D. 60,000
25.
Complete the number series by choosing the missing terms from the options.
11, 20, 27, 36, 43, ?, ?, 68, 75
A.
50, 61
B.
52, 61
C.
50, 59
D.
52, 59
ANSWER :
D. 52, 59
26.
The sum of all interior angles of a polygon is 1260°. Find the number of sides of the polygon.
A.
11
B.
8
C.
10
D.
9
ANSWER :
D. 9
27.
As of May 2018, what is the portfolio held by the current Union Minister Smriti Irani?
A.
Information and Broadcasting
B.
Science and Technology
C.
Health and Family Welfare
D.
Women and Child Development
ANSWER :
A. Information and Broadcasting
28.
A and B together can complete a task in 1.2 days. However, if A works alone, completes half the job and leaves and then B works alone and completes the rest of the work, it takes 2.5 days in all to complete the work. If B is more efficient than A, how many days would it have taken B to do the work by herself?
A.
1.5
B.
1.8
C.
2.0
D.
2.2
ANSWER :
C. 2.0
29.
In a shopping mall, a handbag was sold for Rs 2990 after giving a discount of P%. If the marked price of the handbag was Rs 4600, find the value of P?
A.
40
B.
35
C.
36
D.
72
ANSWER :
B. 35
30.
In ________, cells are loosely packed so that large intercellular spaces are found.
A.
Parenchyma
B.
Tracheids
C.
Sclerenchyma
D.
Collenchyma
ANSWER :
A. Parenchyma