CTET Solved Paper - UPTET Feburary 2016
111. The ratio between angles of triangle are 2 : 3 : 4. The angles of the triangle will be
- Option : C
- Explanation : Let the angles of triangle be 2x, 3x and 4x, respectively.
According to the question,
2x + 3x + 4x = 180°
9x = 180°
x = 20°
Then, angles are
2 x 20° = 40° 3 x 20° = 60° and 4 x 20° = 80°
So, the required angles are 40°, 60° and 80°.
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- Option : C
- Explanation :
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113. The range of data 25, 15, 23, 40, 27, 25, 23 and 42 is
- Option : C
- Explanation :
Range = Highest term - Lowest term
= 42 - 15 = 27.
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- Option : C
- Explanation :
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115. If (√3 - 1)/(√3 + 1) = a + b√3, then the value of a and b is
- Option : C
- Explanation :
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