HCF of 3240, 3600 and a third number is 36 and their LCM is 2^{4}×3^{5}×5^{2}×7^{2} Then the third number is
2^{2}×3^{5}×7^{2}
2^{2}×5^{3}×7^{2}
2^{2}×5^{2}×7^{2}
2^{3}×3^{5}×7^{2}
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#  Quiz 

1
Discuss

What is the greatest number which when subtracted from 3000, is exactly divisible by 7, 11 and 13 ?
Solution 
2
Discuss

The sum of two numbers is 528 and their HCF is 33. The number of such pairs is :
Solution 
3
Discuss

What is the least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder?
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4
Discuss

Which of the following has the most number of divisors?
Solution 
5
Discuss

(4^{61}+4^{62}+4^{63}+4^{64}) is divisible by
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6
Discuss

Three numbers are in ratio 1 : 2 : 3 and HCF is 12. The numbers are:
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7
Discuss

Find the greatest number that will divide 55, 127 and 175 so as to leaves the same remainder in each case
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8
Discuss

The H.C.F. and L.C.M. of 0.63, 1.05 and 2.1
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9
Discuss

Four bells ring at intervals of 6, 8, 12 and 18 seconds respectively since 12 o’clock. How many times will they ring simultaneously within 6 minutes of the time? (excluding the one at the start)
Solution 
10
Discuss

The LCM and HCF of two numbers are 84 and 21, respectively. If the ratio of the two numbers is 1 : 4, then the larger of the two numbers is
SolutionAnswer 84 
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