IMO- Mathematics Olympiad Class 6: Questions 204 - 210 of 1049
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Question number: 204
Question
The number (11, 23) are
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Co-prime numbers |
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| b. | Prime and co-prime |
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| c. | Prime numbers |
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| d. | All of the above |
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Question number: 205
Question
Find the sum of the given expression.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | - 35 |
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| b. | 48 |
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| c. | 35 |
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| d. | - 89 |
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Question number: 206
Question
The least number of square tiles that will be needed to cover a room of 165 m by 45 m is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 41 tiles |
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| b. | 23 tiles |
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| c. | 37 tile |
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| d. | 33 tiles |
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Question number: 207
Question
Subtract the number obtained by reversing the digits of the number 65302 from the number obtained by interchanging the digits in the ten’s place and the hundred’s place of the same number, we get________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 95388 |
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| b. | -64746 |
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| c. | 76446 |
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| d. | 44676 |
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Question number: 208
Question
Which one is correct?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
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| b. |
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| c. |
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| d. |
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Question number: 209
Question
What is the least number to be subtracted from 1936 so that when divided by 9, 10 and 15 it will leave the same remainder in each case?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 40 |
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| b. | 44 |
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| c. | 38 |
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| d. | 42 |
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Question number: 210
Question
ABC is a three digit number in which the digit A is greater than the digit B and C. If the difference between ABC and CBA is 297 and the difference between ABC and BAC is 450, find all possible three digit numbers ABC.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 724 |
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| b. | 946 |
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| c. | 835 |
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| d. | All a. , b. and c. are correct |
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