# IMO- Mathematics Olympiad Class 9: Questions 252 - 257 of 919

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## Question number: 252

MCQ▾

### Question

The area of an isosceles triangle having base 32 cm and one side 20 cm is________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 253

MCQ▾

### Question

A circular park of 20 metre diameter has a circular path just inside the boundary of width 1 metre. The area of path is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 254

MCQ▾

### Question

What is the point of concurrency of the perpendicular bisectors in a triangle called ________.

### Choices

Choice (4) Response

a.

Circumcentre

b.

Centroid

c.

Incentre

d.

Orthocentre

## Question number: 255

MCQ▾

### Question

A covered wooden box has the inner measures as 115 cm, 75 cm, 35 cm and the thickness of wood is 2.5 cm. Then the volume of the wood is________

### Choices

Choice (4) Response

a.

80, 000 cu. Cm

b.

82, 125 cu. Cm

c.

85, 000 cu. Cm

d.

84, 000 cu. Cm

## Question number: 256

MCQ▾

### Question

A triangle and a parallelogram are equal in area. They also have the same altitude. If the base of the triangle is 22 inches, the area of the trapezoid is ________.

### Choices

Choice (4) Response

a.

2 inches

b.

Not obtainable from these data

c.

19 inches

d.

11 inches

## Question number: 257

MCQ▾

### Question

In the figure, PQRS is a square. A line segment SX cuts the side QR at X and the diagonal PR at O such that, then y = ________

### Choices

Choice (4) Response

a.

b.

c.

d.

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