# IMO- Mathematics Olympiad Class 9: Questions 348 - 351 of 919

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## Question number: 348

MCQ▾

### Question

In parallelogram ABCD. . The altitudes corresponding to the sides CD and AD are respectively 9 cm and 11 cm. Find AD.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 349

MCQ▾

### Question

ABC is triangle in which BE, CF are medians. If , and , then the area of is________

### Choices

Choice (4) Response

a.

240

b.

120

c.

102

d.

360

## Question number: 350

MCQ▾

### Question

Which of the points A (0, 6), B (-2, 4), C (-4, 0), D (0, -2), E (0, -5), F (4, -4) do lie on the Y-axis?

### Choices

Choice (4) Response

a.

B and E only

b.

A, D, E

c.

A and D only

d.

A, F, E

## Question number: 351

MCQ▾

### Question

In triangle ABC, the altitude from A to BC meets BC at D, and the altitude from B to CA meets AD at H. if , and , if then the length of HD is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

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