RRB Group-D 1st October 2018-shift -3

For the following questions answer them individually

Read the statements and identify the logically correct conclusion from the given information. 

Statement:
"The pedestrian crossing is few feet away, it is safe to use it." says a mother to her child. 

Conclusions:
I. Pedestrians should use pedestrian crossing for safety.
II. All the children know what is pedestrian crossing.

Which of the statements is sufficient to answer the question?
Question:
Find the total number of students in a class if the class has some boys and some girls.
Statements:
I. The number of boys in a class is 10.
II. The number of girls in a class is 2 more than the number of boys.

Select the option that is related to the third word on the same basis as the second word is related to the first word.
Magnetic field : Oersted : : Power : ?

In 2017, The Government of India announced which of the following schemes to help replace incandescent bulbs with LED bulbs?

3 R # 2 A S K 5 % T 7 & N Y $$+$$ X B / L Q @ 1 If the second half of the above series is reversed then using the new series find the missing term. 

$$+$$%2 : /$3 : : @Y$ : .........

The data shows the information on the number of children vaccinated in the year 2016 in different cities:

If the total number of children vaccinated in the year 2016 is 1,20,000, then how many kids from city 'B' were vaccinated?

Sindhu can cover a distance of $$20 \frac{2}{3}$$ km in $$7 \frac{3}{4}$$ hours on foot. How many km per hour does she walk?

A statement is followed by two arguments. Decide which of the arguments is/are strong with respect to the statement.
Statement:
Too much of pain killer affects the liver.
Arguments:
I. Yes, for all small aches we should avoid taking pain killers.
II. No, when we have the comfort of gulping a tablet; why to bear the pain?

If the simple interest on a certain sum for 1.5 years at 8% p.a. is. ₹ 360. Find the compound interest on the same sum for the same rate of interest but double the time?

Rathin & Bratin together can complete a piece of work in 12 days. They start the work together but Rathin had to leave 5 days before the work got over. As a result it took a total of 15 days to complete the work. How many days would it have taken Bratin to complete the work by himself?

Which of the following statements is/are true/false about speed of sound in different media at 25°C ?
A. In oxygen gas, speed of sound is 316 m/s.
B. In water (distilled), the speed of sound is 1498 m/s.

The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the 3 source. What current will the heater draw if the potential difference is increased to 172.5 V ?

A person borrowed ₹ 32,000 at a yearly 9% simple interest and deposited the same amount in a bank at a yearly compound interest of 10%. What is the gain in rupees at the end of 3 years?

Which of the following states that "properties of elements are a periodic function of their atomic number"?

Persons A, B and C can complete a task together in 81 days. A and B can complete the same task together in 97.2 days. B and C can complete the same task together in 162 days. In how many days can B alone complete the task?

Which of the following statements is/are true/false?
A. An acid which is completely ionized into ions and produces large number of $$H^-$$ ions. For example $$HC1, H_2SO_4, HNO_3$$ 
B. An acid which is partially ionized in water and produces less number of $$H^-$$ ions. Form example $$CH_3COOH, H_2CO_3, H_2S0_3$$.

Let $$\alpha, \beta$$ be the roots of $$ax^2 + bx + c = 0$$; $$\gamma, \delta$$ be the roots of $$px^2 + qx + r = 0$$; & $$D_1, D_2$$ the respective discriminants of these equations. If, $$\alpha, \beta, \gamma, \delta$$ are in A.P. Then find the value of $$D_1:D_2$$

In triangle $$ABC$$, $$AD \bot BC$$ and $$AO$$ is the bisector of $$\angle{BAC}$$. If $$\angle{ABC} = 65°$$ and $$\angle{ACB} = 23\frac{1°}{2}$$, then $$\angle{DAO}$$ is ...............(in degrees)

In a class there were 18 boys and some girls. In a test the mean score obtained by the boys was 12 while that obtained by the girls was 14. lf the overall average was 13.1, what was the total number of students in the class?

A person walks $$\frac{2}{5}$$th of the total distance and covers one-third of the remaining distance by bus. What is the fraction of the remaining distance to be covered?

Read the following statement and the arguments that follow. Decide which of the arguments is strong.
Statement:
Young entrepreneurs should be encouraged.
Arguments:
I: Yes, it helps in the industrial development of the country and reduces burden on the employment market.
II: No They are not experienced and may make losses.

You are given a question and two statements. Identify which of the statements is/are necessary/sufficient to answer the question.
Question:
How is Rajesh related to Vijay?
Statement:
I. Rajesh is the only son of Vijay's mother-in-law.
II. Veena is Rajesh's only sister.

A girl saw a clock when it was 3 am. The clock loses 16 minutes per day. What will be the actual time when she sees the 0 clock on the $$4^{th}$$ day at 8 pm?

20 men can finish a certain work in 10 days, where as it takes 12 women to finish it in 10 days. If 15 men and 6 women undertake to complete the work, how many days will they take to complete it?

Read the following statements and the conclusions that follow. Decide which of the two conclusions follow from the given statements.
Statements:
• All the cots are hotels.
• All hotels are sheets.
Conclusions:
1. Some cots are not sheets.
2. Some sheets are cots.

Which mobile application has N. Chandrababu Naidu, the Andhra Pradesh Chief Minister, launched at the Collectors' Conference in Vijayawada?

A statement is followed by two arguments. Decide which of the arguments is/are strong with respect to the statement.
Statement:
Should income tax be abolished in developed countries?
Arguments:
1. Yes, it will motivate to earn more.
2. No, people must learn to share their wealth for the betterment of other people.

The Asia-Africa-Europe (AAE-1) submarine cable system, the world's longest 100-Gbps submarine cable system was launched by ............

Divide 1,380 among A, B and C, so that A gets 5 times of C and 3 times of B.

The following pie chart shows information on sales of a toy making company "XYZ" for 2017-18 financial year

The total revenue made by sales of the toys is 38,72,000/-
Which type of toys made least revenue for the company?

5% population of a town died of some epidemic and 8% of the remaining population left in panic. lithe population of the town now is 88.274. find the population of the town at the beginning.

Who won the 2017 Discovery Education 3M Young Scientist Challenge for inventing a quick. low-cost test to detect lead-contaminated water?

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