IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 797 - 801 of 968

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Question number: 797

» Area, Surface Area & Volume

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MCQ▾

Question

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

Trapezoid and semi-circle

Trapezoid and Semi-Circle

MNis a line segment of length 12 cm. O is the mid-point of MN. Circle are drawn with M, O and N as centers and radii MO = ON

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 798

» Area, Surface Area & Volume

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MCQ▾

Question

The areas of two concentric circles are and respectively. The width of the ring is________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 799

» Area, Surface Area & Volume

Edit
Data Sufficieny▾

Question

What is the length of the iron beam?

Statements

  1. The volume of iron beam is also the beam is long, wide.

  2. Iron width of iron beam is 5 meter.

Choices

Choice (4) Response

a.

All of the statements are sufficient.

b.

Only statement Ⅱ is sufficient, while others are not sufficient.

c.

None of the statements are sufficient.

d.

Only statement Ⅰ is sufficient, while others are not sufficient.

Question number: 800

» Triangle, Circle & Constructions

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MCQ▾

Question

mnjfdikjdkl’. v; . /ovfvf xcada’

Choices

Choice (4) Response

a.

2 and 3

b.

Only 1

c.

1 and 2

d.

Only 2

Question number: 801

» Triangle, Circle & Constructions

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MCQ▾

Question

QR is the diameter of a semicircle. The sides PQ and PR of a triangle PQR meet the semicircle in A and B respectively. AB subtends at the center of the semi-circle. The is ________.

Triangle poly1 Triangle poly1: Polygon P, Q, R Triangle poly2 Triangle poly2: Polygon A, O, B Arc d Arc d: Semicircle through Q and R Angle? Angle? : Angle between A, O, B Angle? Angle? : Angle between A, O, B Angle? Angle? : Angle between A, O, B Angle? Angle? : Angle between A, Q, O Angle? Angle? : Angle between A, Q, O Angle? Angle? : Angle between A, Q, O Angle? Angle? : Angle between Q, A, O Angle? Angle? : Angle between Q, A, O Angle? Angle? : Angle between Q, A, O Angle? Angle? : Angle between B, R, O Angle? Angle? : Angle between B, R, O Angle? Angle? : Angle between B, R, O Angle? Angle? : Angle between O, B, R Angle? Angle? : Angle between O, B, R Angle? Angle? : Angle between O, B, R Segment c Segment c: Segment [P, Q] of Triangle poly1 Segment b Segment b: Segment [R, P] of Triangle poly1 Segment b_1 Segment b_1: Segment [A, O] of Triangle poly2 Segment b_1 Segment b_1: Segment [A, O] of Triangle poly2 Segment a_1 Segment a_1: Segment [O, B] of Triangle poly2 Segment a_1 Segment a_1: Segment [O, B] of Triangle poly2 Segment c_1 Segment c_1: Segment [B, A] of Triangle poly2 Segment f Segment f: Segment [C, D] Segment f Segment f: Segment [C, D] Segment g Segment g: Segment [E, F] Segment g Segment g: Segment [E, F] P text1 = “P” Q text2 = “Q” R text3 = “R” A text4 = “A” B text5 = “B” O text6 = “O”

Triangle and Semicircle

The sides PQ and PR of a triangle PQR meet the semicircle in A and B respectively. AB subtends 140 (degree) at the center of the semi-circle

Choices

Choice (4) Response

a.

b.

c.

d.