What is the span of rotation of dihedral angles?

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#Question id: 12825

#General Aptitude

The length and breadth of a rectangular field are in the ratio 7 :4. A path 4 m wide running all around outside has an area of 416 m2 . The breadth (in m) of the field is

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#Question id: 12826

#General Aptitude

ABC is a triangle with base AB. D is a point on AB such that AB= 5 and DB = 3. What is the ratio of the area of DADC to the area of DABC ?

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#Question id: 12827

#General Aptitude

If the area of a triangle is 1176 cm2 and base : corresponding altitude is 3 : 4, then the altitude of the triangle is :

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#Question id: 12828

#General Aptitude

The base of a triangle is 15 cm and height is 12 cm. The height of another triangle of double the area having the base 20 cm is :

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#Question id: 12829

#General Aptitude

The sides of a triangle are 3 cm, 4 cm and 5 cm. The area (in cm2) of the triangle formed by joining the mid points of this triangle is :

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#Question id: 12830

#General Aptitude

If D and E are the mid-points of the side AB and AC respectively of the DABC in the figure given here, the shaded region of the triangle is what per cent of the whole triangular region?