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- Two alaram clocks ring their alarms at regular intervals of 72 seconds...
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- Find the HCF of 612 and 1314 using prime factorisation.
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- Write the smallest number which is divisble by both 306 and 657.
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- A rational number in its decimal expansion is 327.7081. What can you s...
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- In the adjoining factor tree, find the numbers m and n.
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- Using prime factorisation method, find the HCF and LCM of 210 and 175.
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- Prove that the number 4^n, n being a natural number, can never end wit...
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- Find the two numbers which on multiplication with sqrt360 gives a rati...
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- Prove that sqrt5 is an irrational number.
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- Prove that 2+5sqrt3 is an irrational number, given that sqrt3 is an ir...
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- Prove that sqrt2 is an irrational number.
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- Find HCF and LCM of 404 and 96 and verify that HCF xx LCM =Product of ...
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- Write the denominator of rational number 257/5000 in the form 2^mxx5^n...
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- Three bells toll at intervals of 12 minutes, 15minutes and 18minutes r...
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- Find if 987/10500 will have terminating or non-terminating (repeating)...
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- On a morning walk, three people step off together and their steps meas...
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- A merchant has 120 litres and 180 liters of two kinds of oil. He wants...
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- Using prime factorisation, find HCF and LCM of 18,45 and 60. Check if ...
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- Show that the square of any positive odd integer is of the form 8m+1, ...
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- Prove that sqrtp+sqrtq is irrational, where p and q are primes.
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