IMO- Mathematics Olympiad (SOF) Class 10: Questions 20 - 27 of 958
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Question number: 20
Question
Given that H. C. F, find L. C. M.
Choices
| Choice (4) | Response | |
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| a. | 100620 |
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| b. | 100420 |
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| c. | 100520 |
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| d. | 100320 |
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Question number: 21
Question
Rational number between and is ________
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| Choice (4) | Response | |
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Question number: 22
Question
A eight digit number is a multiple of 73 and 137. If the second digit from left is 7, then 6th digit from the left of the number is ________
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 3 |
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| b. | 5 |
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| c. | 7 |
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| d. | 9 |
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Question number: 23
Question
is ________
Choices
| Choice (4) | Response | |
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| a. | An integer |
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| b. | A natural number |
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| c. | An irrational number |
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| d. | A rational number |
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Question number: 24
Question
If ‘a’ and ‘b’ are rational numbers and , then b = ________
Choices
| Choice (4) | Response | |
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| a. | 4 |
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| b. | 6 |
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| c. | 7 |
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| d. | 8 |
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Question number: 25
Question
If , then s equals________
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Question number: 26
Question
Value of is ________
Choices
| Choice (4) | Response | |
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| a. | 1 |
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| b. | 4 |
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| c. | 0 |
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| d. | 2 |
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Question number: 27
Question
A circular field has a circumference of 360 km. Two cyclists Sumeet and Samrat start together and can cycle at speeds of 12 km/hr and 15 km/hr respectively round the circular field. After how many hours will they meet again at the starting point?
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