IMO- Mathematics Olympiad Class 10: Questions 359 - 364 of 908

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Question number: 359

» Coordinate Geometry

MCQ▾

Question

If the Points (a,0),(0,b)and(1,1) are collinear then which of the following is true?

Choices

Choice (4) Response

a.

1a+1b=2

b.

1a1b=1

c.

1a+1b=1

d.

1a1b=2

Question number: 360

» Coordinate Geometry

MCQ▾

Question

If x(1,2),y(6,1)andz(3,5) are the midpoints of the sides of PQR , the area of the triangle is ________

Choices

Choice (4) Response

a.

69 sq. units

b.

74 sq. units

c.

42 sq. units

d.

84 sq. units

Question number: 361

» Statistics & Probability

MCQ▾

Question

If 6,4,8and3 occur with frequencies 4,2,5and1 respectively, then the arithmetic mean is ________

Choices

Choice (4) Response

a.

6

b.

6.75

c.

6.5

d.

6.25

Question number: 362

» Coordinate Geometry

MCQ▾

Question

In what ratio is the line segment joining the points (5,6)and(1,4) is divided by Y-axis?

Choices

Choice (4) Response

a.

2: 3

b.

5: 1

c.

7: 2

d.

3: 4

Question number: 363

» Statistics & Probability

MCQ▾

Question

A card is drawn from a packet of 50 cards numbered 1 to 50. The probability of drawing a number which is a square is ________

Choices

Choice (4) Response

a.

750

b.

425

c.

325

d.

150

Question number: 364

» Coordinate Geometry

MCQ▾

Question

The values of t, if the area of the pentagon PQRST be 30 sq. units where P=(2,3),Q=(3,1),R=(2,4),S=(0,1)andT=(3,t) are ________

Choices

Choice (4) Response

a.

(38.5,32.5)

b.

(38.5,32.5)

c.

(38.5,32.5)

d.

(38.5,32.5)

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