RRB NTPC Tier 2 18th Jan 2017 Shift 1

Instructions

For the following questions answer them individually

RRB NTPC Tier 2 18th Jan 2017 Shift 1 - Question 71


Find the increase in circumference of a circle of radius 14 cm, if the radius is increased by 7 cm.

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RRB NTPC Tier 2 18th Jan 2017 Shift 1 - Question 72


The value of which one of the following fractions falls in between $$\frac{3}{5}$$ and $$\frac{7}{8}$$?

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RRB NTPC Tier 2 18th Jan 2017 Shift 1 - Question 73


Antimatter particles corresponding to electrons are called ________.

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RRB NTPC Tier 2 18th Jan 2017 Shift 1 - Question 74


Evaluate: $$\frac{\sin 30}{\cos 45} \times \frac{\sin 45}{\cos 30}$$

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RRB NTPC Tier 2 18th Jan 2017 Shift 1 - Question 75


Which of the following is NOT true with reference to a real number?

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RRB NTPC Tier 2 18th Jan 2017 Shift 1 - Question 76


If $$\left(2 \frac{a}{m} + \frac{b}{n} \right) = 2$$ and $$\left(\frac{a}{m} - \frac{b}{n} \right)= 4$$, find the values of 'a' and 'b' respectively.

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RRB NTPC Tier 2 18th Jan 2017 Shift 1 - Question 77


If two-third of three-fifth of a number is 42, find one-third of that number.

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RRB NTPC Tier 2 18th Jan 2017 Shift 1 - Question 78


The principle of gyroscope is NOT used in a _______.

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RRB NTPC Tier 2 18th Jan 2017 Shift 1 - Question 79


Find the mode of the following data:
100, 120, 110, 90, 120, 140, 130, 120, 110, 100, 90, 140, 120, 100

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RRB NTPC Tier 2 18th Jan 2017 Shift 1 - Question 80


Find the discount in percentage, if a book whose marked price is Rs.90 is sold for Rs.76.

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