RRB Group-D 29th oct 2018-shift -2

Instructions

For the following questions answer them individually

Question 81

Which of the following elements has the largest-size ions?

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Question 82

Momentum = ..............?

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Question 83

Which of the following statements is/are true about the speed of sound in different media at 25°C
A. In steel, the speed of sound is 5960 m/s
B. In nickel, the speed of sound is 6240 km/s

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Question 84

Which of the following Indian State Political parties is led by Rain Vilas Paswan?

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Question 85

The general reaction between a metal oxide and an acid can be written as:

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Question 86

Find the value of  $$\frac{(0.22)^3 - (0.11)^3}{0.0484 + 0.0242 + 0.0121}$$ = ? 

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Question 87

$$4x^2 + kx + 5$$ is divisible by $$x - 1$$. The expression is also divisible by

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Question 88

Who won the 'Outstanding Parliamentarian' Award for 2017 given by the Indian Parliamentary Group (IPG)?

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Question 89

The ratio of the ages of the father and the son ten years from the present was 11:3. Ten year hence the ratio would be 21:13. What are the present ages of the father and the son?

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Question 90

........... has a very high melting and boiling points.

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