1). The side of a rhombus whose diagonals are 16 cm and 12 cm respectively, is
A). 14 cm |
B). 12 cm |
C). 10 cm |
D). 8 cm |
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2). If diagonals of a parallelogram are perpendicular, then it is a
A). rhombus |
B). rectangle |
C). quadrilateral |
D). none of these |
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3). If a triangle and a rectangle have equal areas and equal altitude, then base of the triangle is equal to
A). base of the rectangle |
B). twice the base of the rectangle |
C). thrice the base of the rectangle |
D). four times the base of the rectangle |
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4). The number of sides of a regular polygon each of whose angles measures \( \Large 156 ^{\circ} \) is
A). 8 |
B). 10 |
C). 12 |
D). 15 |
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5). O is the point of intersection of the diagonals AC and BD of a rhombus ABCD. P, Q, R are points on OC, OB and OA respectively such that OP = 1 unit, OQ = 2 units and OR = 4 units. The angle PQR is
A). a right angle |
B). less than 90 \( ^{\circ} \) |
C). greater than 90\( ^{\circ} \) |
D). between 0\( ^{\circ} \) |
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6). The area of a rhombus is \( \Large 120 cm^{2} \). If one of its diagonals is of length 10 cm, then length of one of its sides is
A). 12 cm |
B). 13 cm |
C). 24 cm |
D). \( \Large 22\sqrt{3} \) cm |
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7). ABCD is a rhombus and O is the point of intersection of the diagonals AC and BD. The locus of a point which is equidistant from AB and AD is
A). AC |
B). BD |
C). CB |
D). CD |
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8). If one diagonal of a parallelogram is 70 cm and perpendicular distance of this diagonal from either of the outlying vertices is 27cm, then area of parallelogram (in \( \Large cm^{2} \) is
A). 1800 |
B). 1836 |
C). 1890 |
D). 1990 |
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9). The area of a trapezium is \( \Large 275 cm^{2} \). If its parallel sides are in the ratio 2 : 3 and perpendicular distance between them is 5 cm, then smaller of the parallel sides is
A). 36 cm |
B). 40 cm |
C). 44 cm |
D). 48 cm |
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10). If each angle of a polygon is \( \Large 165 ^{\circ} \), then number sides of the polygon is
A). 24 |
B). 30 |
C). 35 |
D). 40 |
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