CTET Solved Paper - UPTET Feburary 2014 Paper2
111. Salman solve - 3 - 4 = 7. The error is committed as
- Option : D
- Explanation : Salman is not clear about the concept of addition of integers.
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112. Most appropriate formative task to assess the student's understanding of data analysis is
- Option : C
- Explanation : Survey-based project is most appropriate formative task to assess the student's understanding of data-analysis.
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- Option : C
- Explanation : Let present age grow son's age = x yr
Then, 6x + 4 = 4(x + 4).
Then present age of father = 6x yr
⇒ 2x = 12
∴ x = 6 yr
∴ Son's age = 6yr and Father's age = 6 x 6 = 36 yr.
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114. A die is thrown once. The probability of getting a prime number is
- Option : C
- Explanation : Throwing a dice can result in any one of the six outcomes 1,2, ....6.
Prime numbers from 1 to 6 are 2,3,5.
∴ Required probability = 3/6 = 1/2.
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- Option : D
- Explanation : A set of containing n elements has 2n subsets which includes the empty set ∅.
For x = 5, number of subsets excluding ∅
25 - 1.
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