IMO- Mathematics Olympiad Class 10: Questions 728 - 731 of 958

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Question number: 728

» Area, Surface Area & Volume

MCQ▾

Question

A cylindrical vessel of diameter Equation is partly filled with water. 400 lead balls are dropped in it. The rise in water level is Equation The diameter of each ball is ________.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 729

» Area, Surface Area & Volume

MCQ▾

Question

A car is moving with the speed of 26 decimeter per second. If it performs 21 revolutions per second, the diameter of the wheel is ________.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 730

» Area, Surface Area & Volume

MCQ▾

Question

Equation is a line segment of length Equation O is the mid-point of Equation Circle are drawn with P, O and Q as centers and radii Equation (see figure). The area of the colored portion (inEquation ) is________.

 Image of trapezoid and semi-circle

Image of Trapezoid and Semi-Circle

PQis a line segment of length 8 cm. O is the mid-point of PQ. Circle are drawn with P, O and Q as centers and radii PO = OQ

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 731

» Area, Surface Area & Volume

MCQ▾

Question

A cuboidal metal of dimensions Equation was melted and cast into a cylinder of height Equation Its radius is________.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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