CTET Solved Paper - UTET September 2013 Paper2
81. In given figure, the area of shaded region is
- Option : B
- Explanation : (B) Area of PQRS = 20 × 20
= 400 sq cm
Area of ΔTSU = 1/2 × 10 × 10
=50 sq cm
Area of ΔQUR = 1/2 × 10 × 20
=100 sq cm
And area of ΔPTQ = 1/2 × 10 × 20
=100 sq cm
∴ Area of shaded region = 400 - (50 + 100 + 100)
= 150 sq cm
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- Option : D
- Explanation : (D) Pie chart is a method to representation of data.
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83. How many numbers exist between 225 and 550 which are completely divisible by all of 4, 5 and 6?
- Option : C
- Explanation : (C) LCM of (4,5,6) = 60
Multiple of 60 between 225 and 550 are 240, 300, 360,420,480 and 540,
i.e. 6 numbers.
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84. If 
, then the value of x is
- Option : D
- Explanation : (D)
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85. The largest perfect square number of 4 digits is
- Option : B
- Explanation : (B) Largest 4 digit number = 9999
Required number = 9999-198
= 9801
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