# IMO- Mathematics Olympiad Class 9: Questions 896 - 902 of 919

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## Passage

A Bus is going on a long journey for 25 hours, starting at 6.00 hrs. The speed of the car at different hours is given below:

 Time (in hrs): 6 8 9 13 14 18 20 22 25 Speed (in km/hour): 30 60 50 40 60 70 80 60 20

From the above table answer the following questions.

## Question number: 896 (3 of 3 Based on Passage) Show Passage

MCQ▾

### Question

The percentage of decrease in speed during 22.00 hrs and 25.00 hrs is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 897

MCQ▾

### Question

A man sells two horses for Rs. 4000 each, neither losing nor gaining in the deal. If he sold one horse at a gain of , the other horse is sold at a loss of ________

### Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 898

MCQ▾

### Question

In a certain code, 26890 is written KARYD and 2476 is written as KBNA. How is 27498 written in the code?

### Choices

Choice (4) Response

a.

XTZAL

b.

NPTSL

c.

KNBYR

d.

NBYRK

## Question number: 899

MCQ▾

### Question

then find the value of

### Choices

Choice (4) Response

a.

1

b.

3

c.

2

d.

4

## Question number: 900

MCQ▾

### Question

Priti scored more than Rahul. Yamuna scored as much as Divya. Lokita scored less than Manju. Rahul scored more than Yamuna. Manju scored less than Divya. Who scored the lowest?

### Choices

Choice (4) Response

a.

Rahul

b.

Divya

c.

Manju

d.

Lokita

## Question number: 901

MCQ▾

### Question

A straight line parallel to the x-axis has equation________

### Choices

Choice (4) Response

a.

y=-x

b.

x = a

c.

y = a

d.

y = x

## Question number: 902

MCQ▾

### Question

In a class test, in Science, 45 students scored 88 marks, 15 students scored 75 marks and 5 scored 60 marks. The mean of their score is (approximately) ________

### Choices

Choice (4) Response

a.

75 marks

b.

83 marks

c.

80 marks

d.

90 marks

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