IMO- Mathematics Olympiad (SOF) Class 8: Questions 829 - 834 of 1030
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1030 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.
Rs. 450.00 or
How to register?
Question number: 829
Question
If a building casts a 20 feet shadow and a flagpole casts a 7 feet shadow and the flagpole is 12 feet tall, how high is the building?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 35 feet |
|
| b. | 34.2 feet |
|
| c. | 31 feet |
|
| d. | 33 feet |
|
Question number: 830
Appeared in Year: 2012
Question
In the morning batch at a school we have observed that when five students took seat on each bench, 4 students remained unseated. But when eleven students took seat per bench, 4 benches remained vacant. The number of students in the morning batch were?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 55 |
|
| b. | 44 |
|
| c. | 48 |
|
| d. | 26 |
|
Question number: 831
Question
A third of Viral’s marks in mathematics exceeds a half of his marks in English by 30. If he got 240 marks in the two subjects together, how many marks he get in English?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 40 |
|
| b. | 50 |
|
| c. | 60 |
|
| d. | 100 |
|
Question number: 832
Question
Dishant gets 2 marks for each correct answer and loses 1 marks for each wrong answer. He attempts 60 problems and obtains 15 marks. The number of problem solved correctly is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 25 |
|
| b. | 18 |
|
| c. | 10 |
|
| d. | 21 |
|
Question number: 833
Question
If students of a class of strength 90 are girls, then number of boys equals________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 50 |
|
| b. | 30 |
|
| c. | 40 |
|
| d. | 10 |
|
Question number: 834
Question
Vimal is traveling at an average rate of 40 miles per hour. How far does he travel in 1 hours?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 60 miles |
|
| b. | 100 miles |
|
| c. | 50 miles |
|
| d. | 20 miles |
|