IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 577 - 584 of 1091
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Question 577
Question 578
Question 579
Question MCQ▾
A man completes of a job in 12 days. At this rate how many more days will it take him to finish the job?
Choices
Choice (4) | Response | |
---|---|---|
a. | 23 | |
b. | 27 | |
c. | 24 | |
d. | 26 |
Question 580
Question MCQ▾
can do a piece of work in 20 days and can do alone it in 10 days. B works at it for 5 days and then leaves. alone can finish the remaining work in________.
Choices
Choice (4) | Response | |
---|---|---|
a. | 10 days | |
b. | 10.5 days | |
c. | 5 days | |
d. | 11 days |
Question 581
Question MCQ▾
Two numbers are in the ratio 7: 9. If each number is increased by 18, the ratio becomes 9: 11. The numbers are________.
Choices
Choice (4) | Response | |
---|---|---|
a. | 35,81 | |
b. | 63,81 | |
c. | 63,85 | |
d. | 65,35 |
Question 582
Question MCQ▾
A bag contains 50 paise, 25 paise and 10 paise coins in the ratio 1: 2: 3. If their total value is ₹ 26, the number of 50 paise coins is ________.
Choices
Choice (4) | Response | |
---|---|---|
a. | 50 | |
b. | 80 | |
c. | 30 | |
d. | 20 |
Question 583
Question 584
Question MCQ▾
A sum of money is sufficient to pay wages for 15 days and wages for 20 days. The same money is sufficient to pay the wages of both for ________.
Choices
Choice (4) | Response | |
---|---|---|
a. | 8 days | |
b. | days | |
c. | days | |
d. | 10 days |