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RD SHARMA-PLAYING WITH NUMBERS-All Questions
- Which of the following are not twin-primes? 3, 5 (b) 5, 7...
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- Which of the following are co-primes? 8, 10 (b) 9, 10 ...
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- Which of the following is a prime number 263 (b) 361 ...
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- The number of primes between 90 and 100 is 0 (b) 1 ...
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- Which of the following numbers is a perfect number? 16 (b)...
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- Which of the following is a prime number? 203 (b) 139 ...
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- The total number of even prime numbers is 0 (b) 1 (c) ...
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- Which one of the following is a prime number? 161 (b) 221 ...
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- The least prime is 1 (b) 2 (c) 3 (d) 5
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- Which of the following numbers is divisible by 24?
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- Which of the following numbers is divisible by 4? 8675231 ...
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- Which of the following numbers is divisible by 6? 7908432 ...
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- Which of the following numbers is divisible by 8? 87653234 ...
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- Which of the following numbers is divisible by 9? 9076185 ...
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- Which of the following numbers is divisible by 11? 111111 (b)...
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- If 1*548 is divisible by 3, then * can take the value 0 (b...
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- 5 * 2 is a three digit number with * as a missing digit. If the num...
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- What least value should be given to * so that the number 6342 * 1 i...
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- What least value should be given to * so that the number 653 * 47 ...
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- What least value should be given to * so that the number 653 * 47 i...
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