RRB Group D 2018-25-10-2018-1 RRB Question Paper

RRB Group D 2018 Question Papers
RRB Group D 2018-25-10-2018-1

RRB Group D 2018-25-10-2018-1 RRB Questions

11.
The LCM of the prime numbers between 1 and 12 is ______.
A.
1000
B.
2020
C.
2310
D.
1010
😑 View Answer Error
ANSWER :
C. 2310
12.
Type 1 workers are two-and-a-half times as efficient as Type 2 workers. If 12 Type 1 workers can complete a task in 10 days, how many days would it take 6 Type 1 and 10 Type 2 workers to complete the same task?
A.
12
B.
15
C.
14
D.
18
😑 View Answer Error
ANSWER :
A. 12
13.

Simplify∶ \( \frac{5}{8} \)+\( \frac{3}{4} \) of \(\frac{4}{11}\div\frac{3}{16}-\frac{1}{2}\times\frac{3}{4}\) =?

A.

3 \( \frac{2}{13} \)

B.

3\( \frac{4}{11} \)

C.

2\( \frac{7}{24} \)

D.

1

😑 View Answer Error
ANSWER :

C. 2\( \frac{7}{24} \)

14.
What is the largest size of square tiles that can be used to cover the floor of a room of size 5.25 m × 4.55 m?
A.
25 cm
B.
35 cm
C.
45 cm
D.
55 cm
😑 View Answer Error
ANSWER :
B. 35 cm
15.

An athlete runs 400 m in 20 s. Calculate the average speed of the athlete.

A.

2 ms-1

B.

40 ms-1

C.

20 ms-1

D.

4 ms-1

😑 View Answer Error
ANSWER :

C. 20 ms-1

16.
In a school, the number of students in Grades 4, 5 and 6 was 215, 258 and 301 respectively. If every grade was divided into sections and every section had the same number of students, what was the minimum number of sections in all in these three classes?
A.
15
B.
17
C.
18
D.
16
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ANSWER :
C. 18
17.

Dilip invested Rs. 100 for three years at a compound interest rate of 10%. Haru also invested Rs. 100 for three years at a simple interest rate of x%. At the end of three years, both received the same amount of money. What is the value of x?

A.

11.03

B.

11.30

C.

11.05

D.

10.93

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ANSWER :

A. 11.03

18.

If sinA = \( \frac{12}{13}\), then the value of (secA + cosecA) is∶

A.

\(\frac{67}{20}\)

B.

\(\frac{221}{60}\)

C.

\(\frac{11}{3}\)

D.

\(\frac{211}{60}\)

😑 View Answer Error
ANSWER :

B. \(\frac{221}{60}\)

19.
Ratul and Praful together can complete a task in 18 days. They start the task together, but Ratul had to leave 7 days before the work got over. As a result it took a total of 23 days to complete the task. How many days would it have taken Praful to complete the work by himself?
A.
63
B.
51
C.
72
D.
54
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ANSWER :
A. 63
20.

You are given question and three statements. Identify which of the statements is/are sufficient to answer the question.
Question∶
There are 3 shifts in a company. How many employees come in the 3rd shift?
Statements∶
1. Total employees are 500.
2. One-fourth of the total employees come in shift 1.
3. The number of employees coming in shift 2 is twice that of those coming in shift 1.

A.

Statements 1, 2 and 3 together are sufficient.

B.

Only statements 1 and 2 together are sufficient.

C.

Only statements 2 and 3 together are sufficient.

D.

All the statements are insufficient.

😑 View Answer Error
ANSWER :

A. Statements 1, 2 and 3 together are sufficient.

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