Which relaxation technique uses a machine to monitor physical stress responses?

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#Question id: 12877

#General Aptitude

A right circular cone of height 20 cm and base radius 15 cm is melted and cast into smaller cones of equal sizes of height 5cm and base radius 1.5 cm. The number of cones cast are

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#Question id: 12878

#General Aptitude

The radii of two solid iron spheres are 1 cm and 6 cm respectively.A hollow sphere is made by melting the two spheres. If the external radius of the hollow sphere is 9 cm, then its thickness (in cm) is

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#Question id: 12879

#General Aptitude

The base of a right prism is a trapezium whose lengths of two parallel sides are 10 cm and 6 cm and distance between them is 5 cm. If the height of the prism is 8 cm, its volume is

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#Question id: 12880

#General Aptitude

A right triangle with sides 9 cm,12 cm and 15 cm is rotated about the side of 9 cm to form a cone.The volume of the cone so formed is :

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#Question id: 12881

#General Aptitude

If the height of a cylinder is increased by 15 per cent and the radius of its base is decreased by 10 per cent then by what percent will its curved surface area change?

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#Question id: 12882

#General Aptitude

The radii of the base of two cylinders are in the ratio 3 : 5 and their heights in the ratio 2 : 3. The ratio of their curved surface will be :