### Class IX

The perimeter of a region always expressed in
1. Unit
2. Unit2
3. Unit3
4. None of these
P and Q are respectively the mid-points of sides AB and BC of a triangle ABC and R is the mid-point of AP, then
1. Ar(RQC) = ar(ABC)
2. Ar(RQC) = 3*ar(ABC)/4
3. Ar(RQC) = 3*ar(ABC)/7
4. Ar(RQC) = 3*ar(ABC)/8
Two parallelograms are on equal bases and between the same parallels. The ratio of their areas is
1. It is 2 : 1.
2. It is 1 : 1.
3. It is 3 : 1.
4. It is 1 : 2.
Area of the parallelogram is equal to
1. The product of the base and corresponding altitude
2. Half of the product of the base and corresponding altitude
3. Double of the product of the base and corresponding altitude
4. None of these
Area of trapezium is equal to
1. (sum of parallel side) * (distance between them)
2. 2* (sum of parallel side) * (distance between them)
3. (sum of parallel side)/2 * (distance between them)
4. None of these
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