1 |
Right bisector of the chord of a circle always passes through the: |
Radius
Circumference
Centre
Diameter
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2 |
A chord passing through the centre of a circle is called: |
Radius
Diameter
Circumference
Secant
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3 |
Radii of a circle are: |
All equal
Double of the diameter
All unequal
Half of any chord
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4 |
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-1
1
0
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5 |
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6 |
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7 |
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8 |
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9 |
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90°
45°
60°
30°
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10 |
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115'
135°
150°
30°
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11 |
20° = |
360'
630'
1200'
3600'
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12 |
The system of measurement in which the angle is measured in radians is called: |
CGS system
Sexagesimal system
MKS system
Circular system
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13 |
The union of two non-collinear rays, which have common end point is called: |
An angle
Degree
A minute
A radian
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14 |
The positive square root of mean of the squared deviations of xi(i=1, 2---------------------,n) observations from their arithmetic mean is called: |
Harmonic mean
Range
Standard deviation
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15 |
The mean of the squared deviations of xi (i = 1, 2, -----------------,n) observations form their arithmetic mean is called: |
Variance
Standard deviation
Range
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