RRB NTPC 18 April 2016 Shift 1

Instructions

For the following questions answer them individually

Question 11

For real a, b and c if $$a^2  + b^2 + c^2$$ = ab + bc + ca, then find the value of $$(a + b + c)^2$$

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Question 12

MATHEMATICS is related to NUMBERS in the same way HISTORY is related to

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Question 13

In which year was Facebook started?

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Question 14

What is the chemical formula of Ozone?

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Question 15

An Assertion (A) and a Reason (R) are given below.
Assertion (A): Earthworms are not good for agriculture.
Reason (R): Earthworms break down the soil into fine particles and make it soft.
Choose the correct option.

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Question 16

What is the sound made by seal called?

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Question 17

Based on the analogy given, find the missing number from the given options.
7528 : 5362 : : 4673: ?

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Question 18

If STUDENT is coded as 103, what is the code for SCHOOL?

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Question 19

If 'P' means 'divided by', 'T' means 'add' 'M' means 'subtract' and 'D' means 'multiplied by', then what will be the value of the following expression?

12 M 12 D 28 P 7 T 15

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Question 20

Who was the dentist who killed Cecil-the Lion in 2015?

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