RRB JE 26th May 2019 Shift-1

Instructions

For the following questions answer them individually

Question 81

Four vessels of equal size are filled with mixtures of milk and water. The strength of milk in the four vessels is 80%, 75%, 60% and 50% respectively. If all four mixtures are mixed, what is the ratio of water to milk in the resultant mixture?

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Question 82

Find the value of $$\cos 120^\circ \cos 240^\circ \cos 180^\circ \cos 60^\circ$$.

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Question 83

If $$x = 2^8  and  x^x = 2^y$$, then find the value of '$$y$$'.

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Question 84

In the given figure, the circle represents boys, triangle represents students, and rectangle represents teenagers. What does M represent?

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Question 85

Two students appeared for an examination. One of them got 9 marks more than the other. His marks was also equal to 56% of the sum of their marks. What are their marks?

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Question 86

Who among the following discovered the presence of neutrons in the nucleus of an atom?

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Question 87

Find the total surface area of a hollow hemispherical bowl of diameter 14 cm and negligible thickness.

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Question 88

Which of the following is the first alkali metal?

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Question 89

What is the gain per cent, while selling 33 m of cloth, if there is a gain equal to the selling price of 11 m?

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Question 90

Who presided over the inaugural meeting of the Constituent Assembly of India?

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