Question
Five bells commence tolling together and tolls at intervals of 6, 12, 36, 42 and 60 seconds respectively. In 126 minutes, how many times do they toll together?
More HCF and LCM Questions
- Three numbers are in the ratio 7:5:4 respectively. If the HCF of the numbers is 3, then find the LCM of the numbers.
- 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.
- The least common multiple (LCM) of two numbers is 144, and the numbers are in the ratio 4:6. Find their sum.
- The HCF of two numbers is 9 and their LCM is 180. If one of the numbers is 45, find the other number.
- The LCM of two numbers is 960 while their product is 7680. Find the greatest common divisor of the two numbers.
- Find the smallest number that leaves 7 as remainder when divided by both 18 and 45.
- A circular wire of diameter 63 cm is folded in the shape of a rectangle whose sides are in the ratio 5:4. Find the area enclosed by the rectangle.
- What is the minimum number of square marbles required to tile a floor of length 2 metres 8cm and width 2 metres 86 cm?
- In a school, 68 boys and 119 girls have been divided into the largest possible equal classes, so that each class of boy numbers the same as each class of g...
- The HCF of two numbers is 9 and their LCM is 540. If one of the numbers is 45, find the other number.
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