RRB Group-D 3 Oct 2018-shift -2


For the following questions answer them individually

Question 11

Tooth decay starts when the pH of the mouth is .............

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Question 12

ISRO's first sun mission, which is going to take off in 2019, is named as:

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Question 13

The ratio of the average ages of three people and the other two in a group of five people is 9 : 7. If the difference of their averages is 12, then find out the average age of all 5 people?

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Question 14

Choose the best suitable Venn diagram for the following words:
"Bus, Engine, Piston"

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Question 15

In the Modern Periodic Table, which period contains 32 elements?

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Question 16

6 6 8 5 5 3 7 3 7 2 5 8 8 7 8 1 5 5 3 6
How many 5 are there in the above sequence that are completely divisible by the number on their left but not divisible by the number on their right?

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Question 17

Which of the following objects would possess potential energy?

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Question 18

Which of the following regions is the original habitat of the 'Toda Tribe'?

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Question 19

You are given a question and three statements. Identify which of the statements is/are necessary/sufficient to answer the question:
In which year was Aarti born?
I. Aarti is six years older than Pranavi.
II. Pranavi's sister was born in 1982.
III. Aarti's sister is two years younger than Pranavi's sister, who is eight years younger than Pranavi.

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Question 20

Which of the following cities is situated on river bank of Sabarmati?

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