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RD SHARMA ENGLISH-PLAYING WITH NUMBERS-All Questions
- What smallest digit be written in the blank space of the number .......
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- Which of the following numbers is divisible by 6? (a) 1258 (b)...
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- Which of the following numbers is divisible by 11? (a) 7138965 ...
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- Which of the following numbers is a perfect number? (a) 12 ...
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- Which of the following numbers is not divisible by 4? (a) 78536 ...
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- The smallest prime just greater than the HCF of 84 and 144 is (a) 1...
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- Every counting number has an infinite number of (a )factors ...
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- What least number should be replaced by * so that the number 37610*2...
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- Define a perfect number. Write two perfect numbers.
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- Make a list of seven consecutive numbers, none of which is prime.
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- The HCF of two numbers is 23 and their product is 55545. Find their...
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- Find the smallest 5-digit number which is exactly divisible by 20, ...
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- Find the largest number which divides 615 and 963 leaving remainder...
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- The length, breadth and height of a room are 1050 cm, 750cm and 425...
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- Find the greatest number of four digits which is exactly divisible ...
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- Reduce (289)/(391) to the lowest terms
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- Three tankers contain 403 litres, 434 litres and 465 litres of dies...
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- A number which has only two factors is called a ...........
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- The smallest composite number is ............
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- Two perfect numbers are ............ and ............
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