FAQs on Numbers from 51 to 100 Video Lecture - Mathematics Olympiad for Class 1
1. What are the prime numbers between 51 and 100? |
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Ans. The prime numbers between 51 and 100 are 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97.
2. How many even numbers are there between 51 and 100? |
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Ans. There are 25 even numbers between 51 and 100. The even numbers in this range are 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, and 100.
3. What is the sum of all the numbers between 51 and 100? |
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Ans. The sum of all the numbers between 51 and 100 can be calculated using the formula for the sum of an arithmetic series. The sum is given by: (n/2)(first term + last term), where n is the number of terms. In this case, there are 50 numbers between 51 and 100, so the sum can be calculated as (50/2)(51 + 100) = 2550.
4. How many odd numbers are there between 51 and 100? |
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Ans. There are 25 odd numbers between 51 and 100. The odd numbers in this range are 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, and 99.
5. What is the largest number between 51 and 100? |
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Ans. The largest number between 51 and 100 is 100.