UGC NET Paper1 Previous Year Solved Papers MCQ - 4th December 2019 Evening Shift

21 Out of a total of 10 students, the average weight of 9 students is 60 kg. If the Weight of the 10 student is 9 kg more than the average weight of all the 10 students, then the weight of 10 student would be :

Let weight of 1Oth student = x kg
Average weight of 9 students = 60 kg
total weight of 9 students = 9 x 60 = 540 kg
Now, Average weight of 10 students
= (540 + x)/10
According to the question,
x - (540 + x)/10 = 9
1Ox - 540 - x = 90
9x = 90 + 540 = 630
x = 630/9 = 70 kg

22 In what ratio must a vendor mix two varieties of sugar Worth Rs 60 per kg and Rs 78 per kg so that by selling !he mixture at Rs 78 per kg, the vendor gains 20%?

23 As per the classical square of opposition, if' A' proposition is given as true, then which one he following is correct?

Observe the classical square of opposition below:
4 dec second shift

If A proposition is true, E proposition-which is its contrary-- is false, O proposition- which is its contradictory-- is false; and I proposition-which is its subaltern-is true.

24 Choose the person who has control over self, mode of communication and method of delivery in classroom from the following?

Classroom teaching is a planned procedure carried out by the teacher who is ideally in complete control of its direction and progress. It means that the teacher also has control over the self (conduct, approach, attitude, etc.), the mode of communication and method of delivery of the lesson to be transacted.

25 Which among the following factors doesn't contribute to assessment bias?

If the assessment procedure is rigid about the language, mode, means and method of the assessment and promotes certain culture specific values; it is biased against those who may be comfortable with different ones. So, if assessment procedures are flexible and diverse to make disadvantaged students comfortable, it doesn't contribute to assessment bias.

UGC NET Paper1 Previous Year Solved Papers MCQ - 4th December 2019 Evening Shift

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