# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 251 - 256 of 931

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## Question 251

### Question

MCQ▾

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 252

### Question

MCQ▾

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 253

### Question

MCQ▾

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

### Choices

Choice (4)Response

a.

Centroid

b.

Incentre

c.

Orthocentre

d.

Circumcentre

## Question 254

### Question

MCQ▾

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 255

### Question

MCQ▾

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.

19 inches

b.

11 inches

c.

Not obtainable from these data

d.

2 inches

## Question 256

### Question

MCQ▾

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.