The measure of each interior angle of a regular convex polygon is

Subject

Mathematics

Class

TET Class 12

Pre Boards

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Sample Papers

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 Multiple Choice QuestionsMultiple Choice Questions

1.

The internal base of a rectangular box is 15 cm long and 1212 cm wide and its 2 height is 7 cm. The box is filled with 2 cubes each of side 212 cm. The number of 2 cubes will be

  • 90

  • 120

  • 45

  • 60


2.

The perimeter of a trapezium is 58 cm and sum of its non-parallel sides is 20 cm. If its area is 152 cm, then the distance between the parallel sides (in cm) is

  • 9.8

  • 15.2

  • 6

  • 8


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3.

The measure of each interior angle of a regular convex polygon is 156°. The number of sides of the polygon is

  • 10

  • 8

  • 15

  • 12


C.

15

Let the number of sides of the  Polygon be n

Each interior angle = 2n - 4 × 90°n156° = 90°2n - 4n156n = 180n - 360 180n - 156n = 360 24n = 360 n = 36024  n = 15

 


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4.

Which one of the following is not a problem solving strategy in Mathematics ?

  • Solving backwards

  • Rote learning

  • Trial and error

  • Drawing


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5.

According to Piaget, when the child is at formal operational stage, it is appropriate to introduce

  • numbers

  • geometry

  • ratio and proportion

  • data handling


6.

In class VI, teacher gave a topic for debate as Formative Assessment (FA) task

"Hindu-Arabic numerals are more powerful than Roman Numerals."

Objective of this FA activity is to assess

  • creativity

  • understanding

  • knowledge

  • analysis


7.

In a Mathematics classroom, emphasis is placed on

  • problem solving strategies

  • mathematical algorithms and processes

  • mathematical content

  • mathematical content, process and reasoning


8.

The value of - 23003 × 52903 is

  • - 270

  • 230

  • - 230

  • - 529


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9.

The value of 2abc5bac, where a = 2, b = 3 and c = 0, is

  •  - 1

  • 25

  • 1

  • 0


10.

The value of 4 + 4410 + 404100 + 4441000 + 410000 is

  • 12.8844

  • 12.8804

  • 12.8224

  • 12.8944


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