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146. A businessman earns a profit of 10% by allowing a discount of 10% on the marked price. If the marked price of an article is f 77, then the cost price will be
₹63.
₹69.30.
₹69.
₹84.
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147. How can a teacher start for introducing the concept of area to class IV students?
Compare the surfaces of a leaf, notebook, table etc.
Calculate the area of a rectangle by multiplying the length and breadth.
Calculate the area of a figure by counting the number of unit square inside it.
Explaining the formulae of finding the areas of different figures.
148. Select a suitable approach from the options given for explaining that the remainder is always less than the divisor to class IV students.
Explain verbally several times.
Represent division problems as mixed fractions and then explain.
Grouping of objects like marbles, balls, pencils etc according to the divisor.
Explain by demonstrating division problems several times.
149. The most suitable strategy that can be used to internalise the skill of addition of money is
Role play.
Solving lots of problems.
Use of ICT.
Use of models.
150. Which of the following is the correct sequence of inductive method?A. Generalisation.B. Observation.C. Presentation of examples.D. Testing and verification
ABCD.
ACBD.
CBAD.
CDBA.
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