CTET Solved Paper - UPTET Feburary 2016
116. Which of the following method is based on principles of "Watch, listen and learn"?
- Option : B
- Explanation : Demonstration means 'to clearly show'. It involves showing by reason or proof, explaining or making clear by use of examples or experiments.
117. If a student write 'five thousand fifty' as '550'. It means
- Option : C
- Explanation : Let the length, breadth and height of the cuboid be 6x, 5x and 4x cm respectively.
Then, 2 (l x b + b x h + h x l) = 5328
⇒ 2 (6x x 5x + 5x x 4x + 4x x 6x) = 5328
⇒ 2 (30x2 + 20x2 + 24x2) = 5328
⇒ 2 x 74x2 = 5328
⇒ 148x2 = 5328
⇒ x2 = 36
⇒ x = 6.
Then, length = 6 x 6 = 36 cm
Breadth = 6 x 5 = 30 cm
Height = 6 x 4 = 24cm.
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