Question
Four machine makes a beep after every 1, 3, 5 and2 min respectively . In 5hrs , how many times do they beep together if they have just beeped together.
More HCF and LCM Questions
- The product of two numbers is 3600 and their GCD is 30. What is the LCM?
- Find the HCF of 244 and 118.
- The LCM of two natural numbers is 8 times their HCF. If the product of given two numbers is 1152, then find the LCM of the numbers.
- The greatest number of four digits which when divided by 10, 12, 14 leave remainders 5, 7, 9 respectively is:
- The L.C.M and H.C.F of two numbers have a sum and difference of 440 and 120. If one number is 40, find the other.
- Three numbers are in the ratio 3:7:2 respectively. If the HCF of the numbers is 5, then find the LCM of the numbers.
- Find the difference between sum of digits of LCM and HCF of 54, 72 and 90.
- If 20 times a number is subtracted from the square of the number and then 100 is added to the result, then the result is zero. Find the L.C.M of the number...
- Three numbers x, y, and z are co-prime to each other such that xy = 91 and yz = 154. Find the value of (x + y + z).
- The least number which when divided by 7, 12, 15 and 20 leave zero remainder in each case and when divided by 26 leaves a remainder of 4 is:
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