RRB Group-D 6th Dec 2018-shift -1

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For the following questions answer them individually
RRB Group-D 6th Dec 2018-shift -1 - Question 1

6 years ago, a mother's age was 6 times her daughter's age. Three years hence the daughter would be one-third her mother's age. The current age (in years) of the mother is:

RRB Group-D 6th Dec 2018-shift -1 - Question 2

A product reaches a buyer from the farmer through 3 middlemen with the intermediate profits of 10%, 20% and 30%, respectively. Finally, the seller keeps a profit of 15%. If the farmer has sold the product at ₹ X, then how much more percent did the buyer pay for it?

RRB Group-D 6th Dec 2018-shift -1 - Question 9

Who inaugurated the first edition of Khelo India School Games (KISG) that was held from 31st January to 8th February 2018 at Indira Gandhi Indoor Stadium?

RRB Group-D 6th Dec 2018-shift -1 - Question 12

Read the given statement(s) and conclusions carefully and select which of the conclusions logically follow (s) from the statement(s).
Statement:
All vitamins are proteins. All proteins are fruits.
Conclusions:
1. Some vitamins are not fruits
2. Some fruits are vitamins

RRB Group-D 6th Dec 2018-shift -1 - Question 15

Using the given information, answer the question that follows.
Six friends are sitting around a circular table.
1. Soham is sitting adjacent to Nachiket.
2. Tushar is sitting opposite Pranav.
3. Swapnil is sitting equidistant to Soham and Pranav.
Who is sitting opposite Aniket?

RRB Group-D 6th Dec 2018-shift -1 - Question 19

The potential energy (P.E.) of a body at a certain height is 200 J. The kinetic energy possessed by it when it just touches the surface of the earth is:

RRB Group-D 6th Dec 2018-shift -1 - Question 21

Read the given statement(s) and conclusions carefully and select which of the conclusions logically follow(s) from the statement(s).
Statement:
Increased use of medicines puts down the innate healing sense of the body.
Conclusions:
I. There is an innate healing sense in the body.
II. Nowadays, we depend more on external medicine and do not allow the body to repair itself on its own.

RRB Group-D 6th Dec 2018-shift -1 - Question 23

$$\frac{3}{5}$$th of Sarah's amount is equal to $$\frac{6}{7}$$th of Priya's amount. Between them the duo has ₹ 3,570. How much money does Priya have?

RRB Group-D 6th Dec 2018-shift -1 - Question 32

Age of two persons are in the ratio of 5 : 7. 18 years ago, their ages were in the ratio of 8 : 13. Their current ages are:

RRB Group-D 6th Dec 2018-shift -1 - Question 33

Insert mathematical symbols in the place of '?' to get the result of the given equation as 87:
$$((150?2)?2)?10 = 87$$

RRB Group-D 6th Dec 2018-shift -1 - Question 39

Let n be the number of different 5-digit numbers divisible by 4, with the digits 4, 5, 6, 7, 8 and 9, no digit being repeated in the numbers. What is the value of n?

RRB Group-D 6th Dec 2018-shift -1 - Question 41

Read the following table carefully and answer the question that is given below:
Classification of 100 students based on the marks obtained by them in English and Maths In an Examination.

What is the difference between the number of students passed with 20 as cut-off marks in English and those passed with 20 as cut-off marks in aggregate?

RRB Group-D 6th Dec 2018-shift -1 - Question 42

What type of a bank is NABARD?

RRB Group-D 6th Dec 2018-shift -1 - Question 44

A body of mass 100 gm is rotating on a circular path of radius r with constant velocity. The work done in one complete revolution will be:

RRB Group-D 6th Dec 2018-shift -1 - Question 45

Read the statements and decide whether the conclusion is true or false.
Statements:
1. Object A is bigger than Q.
2. Object C is bigger than S.
Conclusion:
The object S is smaller than Q.

RRB Group-D 6th Dec 2018-shift -1 - Question 47

If the direction of applied force and direction, in which an object moves, are perpendicular to each other, then:

RRB Group-D 6th Dec 2018-shift -1 - Question 50

Read the given statement(s) and conclusions carefully and select which of the conclusions logically follow(s) from the statement(s).
Statements:
Due to the rapid increase in the population in developing countries, there is a huge depletion of resources.
Conclusions:
I. The population of developing countries will not continue to increase in future.
II. It will be very difficult for the governments of developing countries to provide its people with a decent quality of life.

RRB Group-D 6th Dec 2018-shift -1 - Question 54

A sum of money was divided between A and B in the ratio 17:25. If B gave ₹ 5 to A, the ratio would change to 3 : 4. What is the sum of money in question?

RRB Group-D 6th Dec 2018-shift -1 - Question 58

Each question given below consists of a statement, followed by two arguments numbered I and II. You have to decide which of the arguments  is a 'strong' argument.
Statement:
Should speed driving be imposed heavy penalties?
Arguments:
I. Yes, speed driving, is one of the major causes of road deaths as per statistics.
II. No, speed driving helps a person to reach his destination soon.

RRB Group-D 6th Dec 2018-shift -1 - Question 60

A statement is followed by two arguments. Decide which of the arguments is/are strong with respect to the statement.
Statement:
Government should implement price control on medicines and medical devices.
Arguments:
I. Yes, price control in healthcare have the noble intension of enhancing patient welfare for poor and middle class people
II. No, health care organisations will end up inclining loses or making less margin.

RRB Group-D 6th Dec 2018-shift -1 - Question 64

In a computer game a builder can build a wall in 10 hours while a destroyer can demolish such a wall completely in 14 hours. Both the builder and the destroyer were initially set to work together on level ground. But after 7 hours the destroyer was taken out. What was the total time (in hours) taken to build the wall?

RRB Group-D 6th Dec 2018-shift -1 - Question 68

A solid spherical metal ball of diameter 72 cm is melted and recast into small solid cones of diameter 6 cm and height 6 cm. Find the number of cones that can be formed using this melted metal.

RRB Group-D 6th Dec 2018-shift -1 - Question 69

Leela goes for a long drive towards the South. After some time she takes a 90° left turn and then takes a 45° left turn to enter a by-lane. Which direction is Leela heading towards?

RRB Group-D 6th Dec 2018-shift -1 - Question 70

A rectangle with length 14 cm and width 3 cm is rotated along its length by 150°. What is the volume of the shape thus generated? (Use $$\pi = \frac{22}{7}$$)

RRB Group-D 6th Dec 2018-shift -1 - Question 73

The average marks obtained by a group of 25 students was 29. One student left the group as a result of which the average of the remaining students rose to 29.5. Afterwards, another student came in as a result of which the average marks of the group dropped to 28.8. What is the average of the combined marks obtained by the student who left and the one who joined?

RRB Group-D 6th Dec 2018-shift -1 - Question 76

Inlet Pipe A can fill a cistern in 35 hours while outlet Pipe B can drain the filled cistern in 40 hours. The two pipes are opened together when the cistern is empty, but the outlet pipe is closed when the cistern is three-fifths full. How many hours did it take in all to fill the cistern?

RRB Group-D 6th Dec 2018-shift -1 - Question 77

Consider the following question and decide which of the statements is sufficient to answer the question.
Question: 

Find the value of n, if
Statements:
1) $$AB = A$$
2)$$A = \begin{bmatrix}n & 9 \\2 & 1 \end{bmatrix},$$ $$B = \begin{bmatrix}1 & 0 \\0 & 1 \end{bmatrix}$$

RRB Group-D 6th Dec 2018-shift -1 - Question 78

A and B can do a piece of work together in 9 days while A alone can do it in 15 days. They start working together but B leaves 3 days before the completion of the work. For how many days did A and B work together?

RRB Group-D 6th Dec 2018-shift -1 - Question 80

The following table shows the pass percentage of results of four schools in the past four years.

In which academic year did all the schools have pass percentage as more than 80?

RRB Group-D 6th Dec 2018-shift -1 - Question 84

Two friends enter a restaurant that has an entrance facing East. They were asked to take right and occupy a two-seater table. Which direction did they turn after entering the restaurant to occupy the seats?

RRB Group-D 6th Dec 2018-shift -1 - Question 90

Bleaching powder is produced by the action of chlorine on dry slaked lime. Which of the following is the appropriate equation for this?

RRB Group-D 6th Dec 2018-shift -1 - Question 96

We all know from our observation that water can exist in three states of matter.
Statements:
A. Solid, as ice
B. Liquid, as petrol and
C. Gas as $$O_2$$ 
Which of the following statements is/are true?

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