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Alternate Method: 12 Men can do this job in 9 days and 18 women can do this job in 12 days It means 6 men or 3 women can do this job in = 36 days So 8 Men and 8 women can do this job in = 36/{8/6 + 8/3} = 36/ {8/(6/3) = 9 days
The LCM and the HCF of the numbers 42 and 60 are in the ratio:
The given numbers are in the ratio 2:5:6, and their highest common factor (HCF) is 15. Determine the least common multiple (LCM) of these numbers.
Can you determine how many factors the number 1,560 has?
The least number which when divided by 16, 32 and 48 leave remainder 4, 20 and 36 respectively is?
Let N be the greatest number that will divide 72, 105, 138 leaving the same remainder in each case. Then sum of the digits in N is:
Two numbers are in the ratio 2:8. The product of their H.C.F. and L.C.M. is 3600. The sum of the numbers is:
The sum of two numbers is 99 and their HCF is 9. Total number of such pairs of numbers is?
The LCM of two numbers is 180, and the numbers are in the ratio 5:9. What will be the sum of the numbers?
Let x be the smallest number which when subtracted from 31560 makes the resulting number divisible by 13, 16, 25 and 30. The product of the digits of x ...
