Question
Three boys runs around a circular track and takes 20 min, 25 min and 30 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
- What is the smallest number that needs to be added to or subtracted from 1164 to make it a multiple of 37?
- The ratio of two numbers is 4:8 and their LCM is 96. The numbers are:
- Three numbers a, b and c are co-prime to each other such that ab = 70 and bc = 45. Find the value of (a + b + c).
- The least number which when divided by 8, 10, 12 and 15 leave zero remainder in each case and when divided by 16 leaves a remainder of 8 is:
- A baker has four different varieties of cookies in quantities of 540, 720, 810, and 630. He wishes to pack these cookies such that each box holds cookies o...
- If Ashish has 3 types of pens in a ratio 4 : 6 : 5 such that their LCM is 360, then find the sum of the highest and lowest number of pens that he has?
- Five bells commence tolling together and tolls at intervals of 2, 6, 10, 18 and 24 seconds respectively. In 36 minutes, how many times do they toll togethe...
- The sum of two numbers is 156 and their HCF is 26. Find how many such pairs can be formed.
- The HCF of two numbers is 18 and their LCM is 540. If one of the numbers is 90, find the other number.
- Find the LCM of 25/14, 15/28, 30/21
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