RRB JE 2nd June 2019 Shift-2

Instructions

For the following questions answer them individually

RRB JE 2nd June 2019 Shift-2 - Question 71


What is the pH of lemon juice?

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 74


If the volume of a sphere is divided by its surface area, the result is 27 cm. Find the radius of the sphere

RRB JE 2nd June 2019 Shift-2 - Question 75


Weight of an object is directly proportional to its?

RRB JE 2nd June 2019 Shift-2 - Question 76


Where is Diffo Bridge located which was recently inaugurated?

RRB JE 2nd June 2019 Shift-2 - Question 77


If 0.034 = $$\frac{x}{10}$$, find the value of 'x'.

RRB JE 2nd June 2019 Shift-2 - Question 78


The amount of sound energy passing each second through unit area is called?

RRB JE 2nd June 2019 Shift-2 - Question 79


If '+' means 'x', '-' means '+', 'x' means '÷' and '÷' means '-' , then, 3 x 2 + 4 - 2 ÷ 9 = ?

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?

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