IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 172 - 176 of 1022
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Question 172
Question
MCQ▾Asha was asked to multiply a number by 24. She instead multiplied the number by 42 and got the answer 810 more than the correct answer. The number to be multiplied was ________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 34 | |
| b. | 25 | |
| c. | 35 | |
| d. | 45 | |
Question 173
Question
MCQ▾Monil is years older than his brother is. His brother’s age is 22. What is their total age after 3 years?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | years | |
| b. | years | |
| c. | years | |
| d. | years | |
Question 174
Question
MCQ▾One fourth of Vivaan’s marks in Science exceeds a half of his marks in English by 20. If he got 110 marks in the two subjects together, how many marks did he get in English?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 10 | |
| b. | 90 | |
| c. | 100 | |
| d. | 20 | |
Question 175
Question
MCQ▾An employer pays Rs. 10 for each day a worker work, and deducts Rs. 4 for each day he is idle. At the end of 60 days, a worker gets Rs. 530. For how many days did the worker remain idle?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 4 | |
| b. | 6 | |
| c. | 5 | |
| d. | 3 | |
Question 176
Question
MCQ▾Purvi had 65 currency notes in all, some of which were of Rs. 50 denomination and the remaining of Rs. 100 denomination. The total amount of these currency notes was Rs. 6000. how much amount did he have in the denomination of Rs. 100?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Rs. 7725 | |
| b. | Rs. 5500 | |
| c. | Rs. 7800 | |
| d. | Rs. 7500 | |