Question
Three boys runs around a circular track and takes 25 min, 35 min and 40 min respectively to complete the one round. When do they all come relatively to the same position as at a certain point of time in their path?
More HCF and LCM Questions
- Two numbers are in the ratio 4:7. The product of their H.C.F. and L.C.M. is 5488. The sum of the numbers is:
- The HCF of two numbers is 6 and their LCM is 84. If one of these numbers is 42, then the second number is:
- Sum of the two numbers is 42 and their HCF and LCM are 6 and 72, respectively. Find the sum of reciprocal of the given two numbers.
- What is the unit digit of the number 'C' obtained by subtracting the largest two-digit prime number from the least common multiple (LCM) of all single-digi...
- Let N be the greatest number that will divide 89, 110, 131 leaving the same remainder in each case. Then sum of the digits in N is:
- Find the difference between sum of digits of LCM and HCF of 54, 72 and 90.
- Find the LCM of 12, 18 and 27.
- The HCF of two numbers is 12. Which one of the following can never be their LCM?
- Find the difference between sum of digits of LCM and HCF of 36, 84 and 132.
- Find the smallest number that leaves 7 as remainder when divided by both 18 and 45.
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