Question
span >Four machines make a beep after every 1, 3, 5 and 2 min respectively . In 5hrs , how many times do they beep together if they have just beeped together.
More HCF and LCM Questions
- The ratio of two number is 13 : 10 and their HCF is 25. then find out their LCM?
- A farmer has 1517 cows and 902 sheep. He farms them into flocks, keeping cows and sheep separate and having the same number of animals in each flock. If th...
- The HCF of two numbers is 6 and their LCM is 84. If one of these numbers is 42, then the second number is:
- Find the greatest 4-digit number which is exactly divisible by both 15 and 21.
- HCF of two numbers 50 and 80 can be expressed in the form of (30m – 110) whereas LCM of these two numbers can be expressed in the form of (60n – 20). Find ...
- What is the least number which when divided by 3, 15 & 18 leave a remainder 6 in each case & it is also divisible by 12?
- If the highest common factor of two numbers is 20, then which of the following may be the least common multiple of the numbers?
- If the product of two numbers is 1440 and the LCM of the numbers is 120, then find the HCF of the numbers.
- Find the HCF of 240, 280 and 560.
- Sum of the two numbers is 81 and their HCF and LCM are 9 and 180, respectively. Find the sum of reciprocal of the given two numbers.
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