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RD SHARMA ENGLISH-PLAYING WITH NUMBERS-All Questions
- Find the smallest number which leaves remainder 8 and 12 when divid...
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- Find the H.C.F. and L.C.M. of 1152 and 1664.
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- Given that the H.C.F. of two numbers is 16 and their product is 640...
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- The H.C.F. and L.C.M. of two numbers are 13 and 1989 respectively. ...
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- Can two numbers have 18 as their HCF and 380 as their LCM? Give reason...
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- For each of the following pairs of numbers, verify the property: pro...
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- Find the H.C.F. and L.C.M. of the following pairs of numbers: (i) 11...
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- The L.C.M. and H.C.F. of two numbers are 180 and 6 respectively. If...
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- The H.C.F. of two numbers is 16 and their product is 3072. Find the...
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- the H.C.F. of two numbers is 145, their L.C.M. is 2175. If one numb...
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- Can two numbers have 18 as their HCF and 380 as their LCM? Give reason...
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- Which of the following numbers is a perfect number? (a) 16 ...
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- Which of the following are not twin-primes? (a) 3, 5 (b) 5,...
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- Which of the following are co-primes? (a) 8, 10 (b) 9, 10...
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- Which of the following is a prime number (a) 263 (b) 361 ...
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- The number of primes between 90 and 100 is (a) 0 (b) 1 ...
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- Which of the following numbers is a perfect number? (a) 16 ...
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- Which of the following is a prime number? (a) 203 (b) 139 ...
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- The total number of even prime numbers is (a) 0 (b) 1 (...
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- Which one of the following is a prime number? (a) 161 (b) 22...
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