# IMO- Mathematics Olympiad Class 9: Questions 163 - 167 of 919

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 919 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

## Question number: 163

MCQ▾

### Question

XYZ is an equilateral triangle for side. J, K and L are midpoints of XY, YZ and XZ respectively. The area of triangle JKL is (in) ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 164

MCQ▾

### Question

The supplementary angle of an angle is one fifth of itself. Then the angle of its supplement are________

### Choices

Choice (4) Response

a.

150˚, 30˚

b.

160˚, 20˚

c.

160˚, 130˚

d.

150˚, 45˚

## Question number: 165

MCQ▾

### Question

In the adjoining figure, point P the intersection of lines l1 and l2 has coordinates (a, b) as shown here. Which of the following could be the ordered pair (a, b)?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 166

MCQ▾

### Question

The supplementary angle of an angle is one third of itself. Then the angle of its supplement are________

### Choices

Choice (4) Response

a.

120˚, 360˚

b.

60˚, 180˚

c.

135˚, 45˚

d.

60˚, 120˚

## Question number: 167

MCQ▾

### Question

Find the value of

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page