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RD SHARMA-PLAYING WITH NUMBERS-All Questions
- The number of primes between 90 and 100 is 0 (b) 1 ...
01:34
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- Which of the following numbers is a perfect number? 16 (b)...
02:10
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- Which of the following is a prime number? 203 (b) 139 ...
01:08
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- The total number of even prime numbers is 0 (b) 1 (c) ...
00:57
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- Which one of the following is a prime number? 161 (b) 221 ...
01:03
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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?
02:49
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- Which of the following numbers is divisible by 4? 8675231 ...
01:30
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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 ...
01:46
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- Which of the following numbers is divisible by 9? 9076185 ...
02:20
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- Which of the following numbers is divisible by 11? 111111 (b)...
02:22
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- If 1*548 is divisible by 3, then * can take the value 0 (b...
01:47
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- 5 * 2 is a three digit number with * as a missing digit. If the num...
05:29
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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...
02:04
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- What least value should be given to * so that the number 63576 * 2 ...
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- Which one of the following numbers is exactly divisible by 11? 2356...
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- If 1 * 548 is divisible by 3, which of the following digits can rep...
01:37
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