What is the greatest possible length which can be used to measure exactly the lengths 8 m, 4 m 20 cm and 12 m 20 cm?
Required length
= HCF of 800 cm, 420 cm, 1220 cm
= 20 cm
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The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 8 is: |
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The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is: |
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What is the greatest number which on dividing 1223 and 2351 leaves remainders 90 and 85 respectively? |
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The smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 is: |
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Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ? |
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252 can be expressed as a product of primes as: |
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The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is: |
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Find the highest common factor of 36 and 84. |
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What is the smallest number which when diminished by 12, is divisible 8, 12, 22 and 24? |
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The H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 13 and 14. The larger of the two numbers is: |
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