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?

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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.

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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?

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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

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


Weight of an object is directly proportional to its?

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


Where is Diffo Bridge located which was recently inaugurated?

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


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

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


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

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


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

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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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