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Elementary Mathematics || Quiz-18 || CDS

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Question 1

If the roots of the equation are reciprocal to each other, then which one of the following is correct?

Question 2

The total number of live births in a specific locality during different months of a specific year was obtained from the office of the Birth Registrar. This set of data may be called

Question 3

The geometric mean of x and y is 6 and the geometric mean of x, y and z is also 6. Then the value of z is

Question 4

Frequency density of a class is computed by the ratio

Question 5

In a triangle ABC, C = 90 ° and CD is the perpendicular from C to AB.
If , then which one of the following is correct?
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Mar 9CDS & Defence