IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 111 - 117 of 1030
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Question number: 111
» Linear Equations in One Variable
Question
Two angles in a triangle in the ratio 3: 2. If the sum of these angles is equal to the third angle, then the third angle is_.
Choices
| Choice (4) | Response | |
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Question number: 112
» Linear Equations in One Variable
Question
A man is 5 years older than his wife and his wife is now five times as old as their daughter, who is 8 years old. How old the man when his daughter was born?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 30 years |
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| b. | 40 years |
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| c. | 35 years |
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| d. | 37 years |
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Question number: 113
» Linear Equations in One Variable
Question
Rohit was 4 times as old as his son 8 years ago. After 8 years, Rohit will be twice as old as his son. What are their present ages?
Choices
| Choice (4) | Response | |
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| a. | 20 years, 50 years |
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| b. | 10 years, 30 years |
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| c. | 15 years, 35 years |
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| d. | 16 years, 40 years |
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Question number: 114
» Linear Equations in One Variable
Question
If of a number is 20 less than the original number, then the number is_.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 30 |
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| b. | 50 |
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| c. | 40 |
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| d. | 60 |
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Question number: 115
» Linear Equations in One Variable
Question
If the angles of a triangle are in the ratio 3: 2: 1, then the difference between the greatest and smallest angles is_.
Choices
| Choice (4) | Response | |
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| d. | 60 |
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Question number: 116
» Linear Equations in One Variable
Question
A number consists of two digits whose sum is 10. If 18 is added to the number, the digits are interchanged. The number is_.
Choices
| Choice (4) | Response | |
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| a. | 26 |
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| b. | 46 |
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| c. | 62 |
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| d. | 64 |
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Question number: 117
» Linear Equations in One Variable
Question
The value of for which is_.
Choices
| Choice (4) | Response | |
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| c. | 21 |
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| d. | 20 |
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