RRB Group-D 17th Sep 2018-shift -2

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For the following questions answer them individually
RRB Group-D 17th Sep 2018-shift -2 - Question 9

Consider the given statement and decide which of the following assumptions is/are implicit in the statement.
Statement:
The headmistress called for a meeting for all staff members to discuss on discipline issues.
Assumptions:
I. There were some discipline issues that were raised earlier.
II. The headmistress wants to address all of them together.

RRB Group-D 17th Sep 2018-shift -2 - Question 13

Which of the following is a work done by the placenta tissue in humans?

RRB Group-D 17th Sep 2018-shift -2 - Question 29

Raju walks 4 km towards East. Then. he turns left and walks another 3 km. In which direction and at what distance is he from his initial position?

RRB Group-D 17th Sep 2018-shift -2 - Question 30

The mean of 21 observations (all different) is 40. If each observation greater than the median is increased by 21, then the mean of observations will become:

RRB Group-D 17th Sep 2018-shift -2 - Question 32

Let A(O,-1), B(0,3) and C(2,1) be three points. Let $$\triangle_1$$ be the area of the triangle ABC and $$\triangle_2$$ be the area of the triangle formed by the mid points of the sides of the triangle whose vertices are A, B and C such that $$\frac{\triangle_1}{\triangle_2} = \frac{1}{x}$$ Find the value of $$x$$.

RRB Group-D 17th Sep 2018-shift -2 - Question 33

Ranjith can complete a task in 25 days while Anji can finish it in 20 days. They work together on the task for 5 days and then Ranjith leaves. In how many days will Anji finish the remaining work?

RRB Group-D 17th Sep 2018-shift -2 - Question 38

You are given a question and two statements. Identify which of the statements is/are necessary,Sufficient to answer the question.
M, A, N and K are standing in a row. Based on the following information, if we aimnge shortest to tallest, who is standing last?
Statements:
1. A is shorter than K
2. M is shorter than A

RRB Group-D 17th Sep 2018-shift -2 - Question 40

If the present ages of a father and his son are 48 years and 28.8 years old respectively, then the father can say to his son, "I was ......... of your present age when you were born".

RRB Group-D 17th Sep 2018-shift -2 - Question 47

The increasing order of the refractive index of certain materials is (left to right) .......

RRB Group-D 17th Sep 2018-shift -2 - Question 48

A parallelogram PQRS, the length of whose sides are 8 cm and 12 cm, has one diagonal 10 cm long Ile length of the other diagonal is approximately:

RRB Group-D 17th Sep 2018-shift -2 - Question 49

Given is a statement followed by two arguments numbered I and II. Consider the statement and the arguments and decide which of the arguments is strong.
Statement:
Is the choice of junk food a better option to create interest in eating in children?
Arguments:
I. Yes, the best way to create interest is to give the food a child likes.
II. No. junk food is the reason behind obesity, heart diseases, diabetes and other health problems and it is important to induce healthy eating habits in children.

RRB Group-D 17th Sep 2018-shift -2 - Question 50

Every month, Kritika spends 30% of her income on house rent and 60% of the rest on household expenditure. If she saves ₹ 6300 per month, what is her total monthly income?

RRB Group-D 17th Sep 2018-shift -2 - Question 53

With whom did the Government of India sign a $ 120 million loan agreement to complete double-tracking and electrification of railway tracks along high-density corridors to improve the operational efficiency of India's railway network?

RRB Group-D 17th Sep 2018-shift -2 - Question 61

Read the statement below followed by two arguments.
Statement:
Should there be strict laws for maintaining ponds and lakes?
Arguments:
I. Yes, it will naturally maintain the water level for generations to come. It affects the migration of birds too.
II. No, it comes in the way of modern urban development and growth. Which argument(s) of the below is/are strong in the context of the statement?

RRB Group-D 17th Sep 2018-shift -2 - Question 67

The cost of leveling a triangular piece of land whose sides are 72 m. 30 m and 78 in respectively at the rate of 20 paisa per square metre is:

RRB Group-D 17th Sep 2018-shift -2 - Question 68

Read the given statements and the following conclusions carefully and select which of the conclusions logically follow(s) from the statements.
Statements:
• All blue are colours.
• All colours are shades.
Conclusions:
1. All blue are shades.
2. Some shades are colours.

RRB Group-D 17th Sep 2018-shift -2 - Question 71

"When a card placed over a tumbler is flicked with the finger, the coin placed over it falls in the tumbler".

RRB Group-D 17th Sep 2018-shift -2 - Question 74

Read the given statement(s) and conclusions carefully and select which of the conclusions logically follow(s) from the statement(s).
Statement:
• All razors are blades.
• All blades are metals.
Conclusions:
1. All metals are razors.
2. Some metals are blades.

RRB Group-D 17th Sep 2018-shift -2 - Question 75

The $$CO_2$$ emissions in million metric tons over 3 years are given in the following table.

What is the increase in the percentage of $$CO_2$$ emission from year 2016 to 2017?

RRB Group-D 17th Sep 2018-shift -2 - Question 80

The given pie chart shows information about the mobile phone manufacturing companies in India. The total number of 0 mobile phone units manufactured is 12,40,000 units.

Which company produces the maximum number of mobile phones?

RRB Group-D 17th Sep 2018-shift -2 - Question 81

Which of the following Chief Ministers of India had been presented the Transfonnative Chief Minister Award' by the US-India Business Council (USIBC) in May 2017?

RRB Group-D 17th Sep 2018-shift -2 - Question 84

The height and the slant height of a right circular cone are 24 cm and 25 cm, respectively. Considering $$\pi$$ as $$\frac{22}{7}$$, find the curved surface area of the said cone.

RRB Group-D 17th Sep 2018-shift -2 - Question 88

Read the given question and decide which of the following information is sufficient to answer the question.
What is the value of $$\angle{ACD}?$$
Information: 
1) 


2) $$\angle{ACB}$$ = 180 - x°

RRB Group-D 17th Sep 2018-shift -2 - Question 92

A water tank is filled in 5 hours by three pipes X, Y and Z the pipe Z is thrice as fast as Y and Y is twice as fast as X. How much time will pipe X alone take to fill the water tank?

RRB Group-D 17th Sep 2018-shift -2 - Question 99

Given is a statement followed by two assumptions numbered I and II. Consider the statement and the following assumptions and decide which of the assumptions is/are implicit in the statement.
Statement:
All the species of plants and animals are part of biodiversity and ecosystems and play major role in the overall health of the environment.
Assumptions:
I. Preserve or create a backyard habitat. Save as many native plants as you can when building or landscaping.
II. One of the major goals of sustainability is to preserve biodiversity. All life on Earth is connected through the flow of energy (planetary food web), and each time a species becomes endangered or lost to extinction, one more part of that energy flow is lost.

RRB Group-D 17th Sep 2018-shift -2 - Question 100

Walking at a speed of 10 km/hr, Madhu reaches her university 15 minutes late. Next time she increases her speed by 2 km/hr, but she is still late by 5 minutes. The distance of the university from her house is:

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