If a and b are odd numbers, then which of the following is even ?
The sum of two odd number is even. So, a + b is even.
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The sum of how many terms of the series 6 + 12 + 18 + 24 + ... is 1800 ? |
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Find the sum of the squares of first 45 even natural numbers. |
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If you find the sum of the cubes of the first n natural numbers, which n gives you a sum of 4356? |
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Which one of the following is NOT a sum of cubes of the first n natural numbers? |
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Sum of first n even numbers = ? |
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If you find the sum of the squares of the first n natural numbers, which n gives you a sum of 1240? |
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Which one of the following is NOT a sum of squares of the first n natural numbers? |
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The ratio of squares of first n natural numbers to square of sum of first n natural numbers is 17:325. The value of n is: |
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The sum of the squares of the first 15 positive integers is equal to 1240. What is the sum of the squares of the second 15 positive integers? |
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If a and b are odd numbers, then which of the following is even ? |
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