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101. There are 50 numbers. Each number is subtracted from 53 and the mean of the numbers so obtained is -3.5. The mean of the given numbers is
49.5
53.5
46.5
56.5
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102. Ten observations 5, 9, 14, 15, x+1, 2x-13, 28, 30, 02, 34 are written in ascending order. The median of the data is 24. Find the value of x.
20
19
21
16
103. 44 cows can graze a field in 9 days. How many less/more cows will graze the same field in 12 days?
15 cows more
11 cows more
11 cows less
15 cows less
104. Which of the following statements is true?
Different branches of Mathematics, viz., algebra, geometry, etc., are dependent on each other
Equations can be learnt without learning arithmetic
Congruence of triangles can be learnt without learning algebra
Statistics can be learnt without learning algebra
105. Which among the following is the best pedagogical way to teach Mathematics?
Motivate the learners to develop their existing capabilities
Find the weakness and teach only those parts
Find the gaps and address only them
Teach every students with the same approach
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