# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 890 - 898 of 931

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## Question 890

Edit

### Question

MCQ▾

Value of when , is ________

### Choices

Choice (4)Response
a.3
b.2
c.0
d.1

## Question 891

Edit

### Question

MCQ▾

Equation of the y-axis, is

### Choices

Choice (4)Response
a.y = x
b.x = 0
c.y = 0
d.y=-x

### 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 892 (1 of 3 Based on Passage)

Edit

### Question

MCQ▾

The average speed (in km/hour) between 6.00 hrs, 8.00 hrs, 9.00 hrs and 13.00 hrs is ________

### Choices

Choice (4)Response
a.96
b.48
c.67
d.45

## Question 893 (2 of 3 Based on Passage)

Edit

### Question

MCQ▾

The percentage of increase in speed during 14.00 hrs and 18.00 hrs is ________

### Choices

Choice (4)Response
a.
b.
c.
d.

## Question 894 (3 of 3 Based on Passage)

Edit

### Question

MCQ▾

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

### Choices

Choice (4)Response
a.
b.
c.
d.

## Question 895

Edit

### Question

MCQ▾

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.None of the above

## Question 896

Edit

### Question

MCQ▾

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.KNBYR
b.XTZAL
c.NBYRK
d.NPTSL

## Question 897

Edit

### Question

MCQ▾

then find the value of

### Choices

Choice (4)Response
a.1
b.2
c.4
d.3

## Question 898

Edit

### Question

MCQ▾

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.Lokita
b.Manju
c.Rahul
d.Divya