IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 521 - 530 of 1042
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Question 521
Question
MCQ▾For a group of 15 students food lasts for 50 days. For how many days will the same food last for 75 students?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 25 days | |
| b. | 10 days | |
| c. | 15 days | |
| d. | 20 days | |
Question 522
Question 523
Question 524
Question 525
Question 526
Question
MCQ▾The weight of a 12 m long iron rod is 20.5 kg. The weight of 5 m long of such rod will be________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 8.54 kg | |
| b. | 8 kg | |
| c. | 9.5 kg | |
| d. | 9 kg | |
Question 527
Question
MCQ▾The weight of a 15 m long iron rod is 25 kg. The weight of 10 m long of such rod will be________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 18.54 kg | |
| b. | 18 kg | |
| c. | 16.6 kg | |
| d. | 16 kg | |
Question 528
Question
MCQ▾A can do a work in 8 days. If B is 60 % more efficient than A, then in how many days can B do the same work?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 3.5 | |
| b. | 4 | |
| c. | 5 | |
| d. | 3 | |