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The mean of the median, mode and range the observations 6,6,9,14,8,9,9,8 is

10.5
8.5
8.8
10.3


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Salman solves -3- 4 = +7 The error is committed as

Salman has not understood the concept of multiplication of integers
Salman is careless
Salman is not clear about the concept of addition of integers
Salman needs to practice solving problems of similar type


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Problem solving method is the

cultivation of mathematical ingenuity, creativity and heuristic thinking by making students open-minded
gradual and systematic guiding through the hierarchy of mathematical notions, ideas and techniques
teaching of mathematical results, definitions and concepts by repetition and memorization
teaching the development of mathematics within a historical, social and cultural context


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According to the given graph, between which two consecutive months was the change in the auto sales the greatest ?

CTET10.jpg
May-June
January-February
February-March
April-May


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Two positive numbers x and y are inversely proportional. If x increases by 10%, then y decreases by

10/11 %
0.1
2/11 %
100/11 %


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4-(2-9)0 + 32 /1 + 3 is equal to

12
17
16
15


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When the number 398 is divided by 5, the remainder is

4
1
2
3


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Which of the fractions is the least?

68/69
24/25
0.909090909090909
99/100


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In order to help the students with difficulties in remembering the geometrical the geometrical terms and their meaning, a teacher must

encourage group discussions
stress on rote memorization of all terms and definitions
use lots of activities like preparing or solving crossword puzzles, jig-saw puzzles, etc
test students on definition of geometrical terms


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The diameter of a cylindrical jar is increased by 25%. By what percent must the height of the jar be decreased so that there is no change in its volume?

54
10
25
36


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