RRB JE 29th May 2019 Shift-1

Instructions

For the following questions answer them individually

Question 51

Every positive integer > 0 can be expressed as a product of $$2^n (n \geq 0)$$ and another _________.

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Question 52

What is the chemical symbol for Sulphur ?

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Question 53

A submarine emits a SONAR pulse which returns from an under water cliff in 2 s. If the speed of sound in sea water is 1500 m/s, how far away is the cliff?

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Question 54

Which of the following cities was named the bestcity to live in India for the fifth consecutive year ?

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Question 55

Which of the following statements are sufficient to find the age of A if:
(i) The ratio of A and B's ages was 2 : 1 five years back.
(ii) The ratio of age at present is 11 : 6.
(iii) The ratio of age 20 years back was 7 : 2.

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Question 56

The backbone is also known as-

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Question 57

Which of these representations does NOT indicate changes over a period of time ?

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Question 58

If in a certain language 'EXIST' is coded as 'ESIXT', how is 'PLUTO' codedin that language ?

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Question 59

In a certain code, 'ABC DEF'is written as 'ZYX WVU'. How would 'PASS' be written in that code?

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Question 60

A sector of a circle of radius 21 cm and central angle $$120^\circ$$ is folded into a cone. Radius of the cone thus obtained is:

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