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Which of the following does not belong to a projected aid ?

AOver head projector

BBlack board

CEpidiascope

DSlide projector

Answer:

B. Black board

Read Explanation:

Black board does not belong to a projected aid.

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Which is the first step in the project method ?
പഠനോപകരണ ങ്ങൾ ഉപയോഗിച്ചുകൊണ്ടുള്ള ഗണിത പഠനത്തെ സംബന്ധിച്ച് തെറ്റായ പ്രസ്താവന ഏത് ?
Which of the following is an axiom ?
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