IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 802 - 808 of 929
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Question number: 802
Question
Coffee worth Rs. 140 per kg and Rs. 160 per kg are mixed with a third variety in the ratio . If the mixture is worth Rs. 180 per kg, the price of the third variety per kg will be
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Rs. 240 | |
b. | Rs. 230 | |
c. | Rs. 220 | |
d. | Rs. 210 | |
Question number: 803
Question
A rectangular park 60 m long and 40 m wide has concreate crossroads running in the middle of the park and rest of the park has been used as a lawn. If the area of the lawn is 2109 sq. m, then what is the width of the road?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 3 m | |
b. | 4 m | |
c. | 6 m | |
d. | 5 m | |
Question number: 804
» Analytical Reasoning and Logical Reasoning
Question
Which number will replace the question mark?
Given the Circle and Line Merging Find Missing Number
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 30 | |
b. | 24 | |
c. | 22 | |
d. | 26 | |
Question number: 805
Question
Choices
| Choice (4) | Response | |
|---|---|---|
a. |
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b. |
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c. |
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d. |
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Question number: 806
Question
The average of 9 numbers is 8. What should be added as 10th number to make the average 9?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 10 | |
b. | 90 | |
c. | 18 | |
d. | 72 | |
Question number: 807
» Introduction to Euclid's Geometry
Question
Two distinct ________ in a plane cannot have more than one point in common
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Points | |
b. | Lines and points | |
c. | Lines | |
d. | None of the above | |
Question number: 808
» Linear Equations in Two Variables
Question
The equation has________
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Only two solutions | |
b. | Only one solution | |
c. | Only three solutions | |
d. | Infinitely many solutions | |