RRB NTPC 12 April 2016 Shift 3


Study the following table and answer the questions:
The table below depicts the Number of Books Sold by 5 cities during 5 months.

Question 81

What is the respective ratio between the total number of books sold by City A in July and September together and total number of books sold by City E in August and October together?

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Question 82

What is the average number of books sold by City C in July, September and October together?

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For the following questions answer them individually

Question 83

Find the missing value denoted by '?' 3 : 243 : : 5 : ?

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Question 84

If the standard deviation of a population is 3, what would be the population variance?

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Question 85

Below are given statements followed by two conclusions I and II. You have to take the given statements to be true even if they seem to be at variance from commonly known facts.

Some buds are flowers.
All flowers are trees.
All trees are leaves.

I. Some leaves are buds.
II. All flowers are leaves.
Decide which of the below options logically follows the given conclusions.

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Question 86

Find the LCM of the following fractions: 2/3 , 8/9 , 16/27, 32/81

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Question 87

In which state is Koyna dam located?

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Question 88

Which planet is the nearest in size to Earth?

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Question 89

The mean of a distribution is 15 and the standard deviation is 5. What is the value of the coefficient variation?

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Question 90

If S is the midpoint of a straight line PQ and R is a point different from S, such that PR=RQ, then

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