RRB JE 2nd June 2019 Shift-2

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For the following questions answer them individually
RRB JE 2nd June 2019 Shift-2 - Question 1

Find the standard deviation of first 'n' natural numbers?

RRB JE 2nd June 2019 Shift-2 - Question 5

Find the square root of$$ \frac{a^{2}}{b^{2}}$$ +$$\frac{b^{2}}{a^{2}}$$+2

RRB JE 2nd June 2019 Shift-2 - Question 9

Substances whose odour changes in acidic or basic media are called?

RRB JE 2nd June 2019 Shift-2 - Question 12

A train 110 m long is running at a speed of 60 km/hr. In what time will it pass a man who is running at 6 km/hr in the direction opposite to that in which the train is going?

RRB JE 2nd June 2019 Shift-2 - Question 14

Which information is conveyed by a balanced chemical equation?

RRB JE 2nd June 2019 Shift-2 - Question 15

Pratyush is India's most powerful petaflop super computer which is used in?

RRB JE 2nd June 2019 Shift-2 - Question 21

In this question, a statement is given followed by three conclusions. Choose the conclusion(s) which best fit(s) logically.
Statement:
U = V < W ≤ Z
Conclusions:
I. W > U
II. Z > U
III. Z < U

RRB JE 2nd June 2019 Shift-2 - Question 22

In which of the following amendments of the Constitution of India was Delhi designated as National Capital Territory (NCT)?

RRB JE 2nd June 2019 Shift-2 - Question 23

A homologous series is a series of carbon compounds that has?A)The same number of carbon atoms but contain different functional group

RRB JE 2nd June 2019 Shift-2 - Question 25

A continuous conducting path consisting of wires and other resistances, a switch, terminals of a cell along which the current flows is called?

RRB JE 2nd June 2019 Shift-2 - Question 28

Who among the following won the Men's 1500 metres race in the Jakarta Asian Games 2018?

RRB JE 2nd June 2019 Shift-2 - Question 29

A father has a 12 year old son. He was thrice his son's present age when the son was born. How old is the father now?

RRB JE 2nd June 2019 Shift-2 - Question 32

A pipe P can drain out water from a tank in 20 hours. Another pipe Q can drain 20 litres per hour. If both drains are opened, the tank is emptied in 12 hours. What is the capacity of the tank?

RRB JE 2nd June 2019 Shift-2 - Question 40

If south becomes south east and north east becomes north and so on. What will be the south west and west become?

RRB JE 2nd June 2019 Shift-2 - Question 41

Three of the following four of alphabets and numerals have the same relationship between their elements as in the case of the pair PRIVATE : 8732465 and hence form a group. Which of the following does not belong to the group?

RRB JE 2nd June 2019 Shift-2 - Question 42

In which parts of the plant photosynthesis takes place?

RRB JE 2nd June 2019 Shift-2 - Question 47

__________ has been awarded with the Padma Bhushan award in 2019.

RRB JE 2nd June 2019 Shift-2 - Question 48

If 12 men and 6 boys can do a work in 4 days and 4 men and 14 boys can do the same work in 8 days, find the ratio of efficiency of a man to that of a boy.

RRB JE 2nd June 2019 Shift-2 - Question 51

Which of these sets of numbers are in continued proportion?
(i) 0.4, 3.6, 3.24
(ii) 7, 21, 63
(iii) 2.4, 9.6, 38.4

RRB JE 2nd June 2019 Shift-2 - Question 53

Read the following information carefully and answer the question given below.
J, P, Q, R, S, T, U and V are 4 married couples sitting in a circle facing the center. The professions of the males within the group are Lecturer, Lawyer, Doctor and Scientist. Among the males R (the Lawyer) and V (the Scientist) are sitting together. Each man is seated beside to his wife. U, the wife of the Lecturer is seated second to the right of V, and T is seated between U and V. P, the wife of the Doctor, is seated to the immediate left of the Lawyer's wife. Q is not the doctor. S is a male, and J is a female.
Who sits between V and J?

RRB JE 2nd June 2019 Shift-2 - Question 54

Read the following information carefully and answer the question given below.
Six boys—M, N, O, P, Q, R and six girls—U, V, W, X, Y, Z are standing in rows in such a way that each girl faces one boy, not necessarily in the same order. U is to the immediate right of the girl who is facing Q the boy at the extreme right. Only N is between P and Q. R is to the immediate left of M and to the immediate right of O. W is facing M and is to the immediate left of V. Z is third to the left of X.
Which of the following girls is facing P?

RRB JE 2nd June 2019 Shift-2 - Question 59

A sum of money lent out at a certain rate of compound interest compounded annaually amount to Rs.1260 in 2 years and to Rs 1606 in 3 years.find the rate of interest

RRB JE 2nd June 2019 Shift-2 - Question 61

D, E, F are midpoints of the sides BC, CA, AB of a ∆ABC. If area of ∆ABC is 20 cm², then find area of the trapezium FBCE.

RRB JE 2nd June 2019 Shift-2 - Question 65

A grandfather and his granddaughter have their ages in the ratio 9 : 2. Sum of their ages is a prefect square. The difference in their ages is a multiple of 11. What are their ages?

RRB JE 2nd June 2019 Shift-2 - Question 66

Rahul ranked 16th from the top and 29th from the bottom among those who passed the examination. Six boys did not participate in the examination and five failed. How many boys were there in the class?

RRB JE 2nd June 2019 Shift-2 - Question 69

Does the mass of an object vary from place to place?

RRB JE 2nd June 2019 Shift-2 - Question 70

Pipe P is twice as fast as Q, and Q is twice as fast as R. Find the ratio of the time taken by P, Q and R to fill a
cistern.

RRB JE 2nd June 2019 Shift-2 - Question 72

Two varieties of tomatoes are bought in the ratio 2 : 3, where the price of first variety is twice that of the
second. The varieties are mixed and sold at Rs.17.50 per kg, resulting in a profit of 25%. Find the costs of the two varieties before selling.

RRB JE 2nd June 2019 Shift-2 - Question 73

Arul walks 100 m towards east and then 80 m to his right. Then, every time turning to his left, he walks 50, 150 and 150 m, respectively. How far and in which direction is he now from the starting point?

RRB JE 2nd June 2019 Shift-2 - Question 80

What is a variable resistance used in a circuit usually operated by a sliding contact on a long coil of resistance called?

RRB JE 2nd June 2019 Shift-2 - Question 90

The unique property of carbon to form bonds with other atoms giving rise to large molecules is known as?

RRB JE 2nd June 2019 Shift-2 - Question 92

Two successive discounts on the labelled price of Rs.6000 reduces the sale price to _____ , if the discounts are 10% and 20% successively.

RRB JE 2nd June 2019 Shift-2 - Question 93

Choose the pair in which the words show the same relationship as in the pair given below.Face : Eye

RRB JE 2nd June 2019 Shift-2 - Question 97

If the numerator of a fraction is increased by 100% and the denominator is increased by 150%, then the fraction becomes 16/25. What is the original fraction?

RRB JE 2nd June 2019 Shift-2 - Question 100

Find the CORRECT statement(s).
(i) Like fractions have the same numerator.
(ii) If the numerator and denominator are coprime, the fraction is in its simplest form.
(iii) Fractions cannot be compared.

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